It's time to add clauses. Clauses should be in subjunctive mood. There are two ways:
1. This clause uses the simple past tense. We should go to bed.
This clause is based on the verb should+. It's time for us to go to bed.
The above two sentences have the same meaning and can be interchanged. Among them, the first way is more common.
I wish you progress!
What is the usage of by the time? It means "until what"
1. stands for future time.
The main clause uses the future perfect tense, and the clause uses the simple present tense to express future actions.
By the time my father comes back, I will have finished the work.
2. indicate the past time.
The main clause uses the past perfect tense, and the clause uses the simple past tense.
For example, when he 12 years old, he had built a laboratory for himself.
What is the usage of "yes … sometimes, sometimes"? Be nice to * * *
1. Good for ...; Be kind to ... 2. Be beneficial to. ...
for several times
Some times is a noun phrase meaning "several times", for example, I saw him in the street several times last month. This factory is several times larger than that one.
a period of time
Some time means "a period of time" or "a period of time" and can be used as a noun or adverb phrase. For example, when she always spends some time on her English. It also took us some time to water the flowers. Some timetables "a certain period of time" often modify continuous predicates. She lay in bed for some time. I will work in Japan for some time.
What is the usage of? The usage of is as follows:
1, used before nouns to indicate direction and orientation.
The east of the east; West west; Right; Left, left.
Note: When locative words are used in pairs to form a coordinate structure, there is no definite article.
The river is ten thousand miles long from east to west.
2. Used before ordinal number
The definite article is used before ordinal number, next, last, etc. Before the word "same" or "unique". For example:
He is the only one who knows the secret. He is the only one who knows the secret.
This is just the book I want. This is just the book I want. (with great emphasis)
Note: the ordinal number is preceded by the indefinite article a/an.
He bought a second pair of shoes. He bought another pair of shoes.
3. Used before musical instrument nouns to indicate playing.
She can play the piano/violin/guitar.
Used before the names of rivers, oceans, lakes, islands and mountains.
Yangtze river; West Lake West Lake; Pacific Pacific; Rocky Mountains Rocky Mountains
4. Used before proper nouns composed of common nouns and other words.
Great Wall Great Wall; United Nations; New york Times new york Times
Used before some adjectives to indicate a class of people or things or an abstract concept.
An elderly man; Poor people; Beautiful things
Note: when expressing people, being the subject depends on the plural meaning; When expressing things, treat them as uncountable meanings.
5. Used before the plural form of surname to indicate the whole family and couples.
The greens will move to the country. The greens are moving to the country.
Used before a noun indicating a unit of calculation, it contains the meaning of "every".
John is paid by the hour. Jim is paid by the hour.
6. Used in front of the nouns of human body parts or clothes that have already been mentioned.
This usage is to say the whole object first, and then talk about the region or clothing of that object.
Verb (hit, pull, pat, hit, grab, take, lead)+* * preposition (in, on, by, cross)+ body part or clothes.
She touched him on the shoulder. She touched him on the shoulder.
Note: She patted the boy on the head. (Error, one's is not used for body parts or clothes in this structure)
She patted the boy on the head. (positive)
7. Use it before every ten plural numbers to indicate the year.
The war broke out in the 1940s. The war took place in the 1940s.
Before nouns used to represent natural phenomena.
Rain; Wind; Fog; Heavy snow; air
Note: ① When these nouns are modified with adjectives, you can use indefinite articles to mean "one field, one session, one kind".
It rained heavily last night. It rained heavily last night.
(2) When these nouns refer to general substances, no articles are used.
Without air, people can't live. Without air, people can't live.
Let's sort out the usage of the definite article the with everyone:
1, indicating a specific person or thing.
The book on the desk is mine.
2. It means that the listener and the speaker are familiar with each other.
Please lock the door.
3. People or things mentioned for the first time should be expressed by indefinite articles, and definite articles should be used when mentioned again.
I have a bike. This bike is blue.
4. Represents something unique in the world (except proper nouns)
Sun \ Moon \ World \ Sky ...
5. The phrase "country, group, organ and party" comes first.
United States of America
communist party
the working class
6. Play the piano in front of nouns representing musical instruments
7. Used before the plural form of surname to indicate family.
The greens are watching TV.
8. Used before singular countable nouns and nominalized adjectives to indicate categories.
A horse is a useful animal.
He often helps the poor.
9. Used in ordinal numbers, before adjective superlatives (adverbs superlatives may or may not be preceded by definite articles) and locative nouns.
Lesson one
The largest tree
In the east/north/west/south
10, used before geographical nouns.
West Lake
Yangtze river
1 1, used before newspapers, treaties, conferences and other nouns.
New york Times new york Times
Atlantic treaty
Geneva agreement treaty
12, used in front of some buildings
The National Gallery Bangkok
Workers ' stadium
13, used before proper nouns mainly composed of common nouns.
the United Nations (UN)
United States of America
14, used before the plural form of the number every ten days, indicates a specific age in a century or a person's approximate age.
In the1990s.
A man in his forties, a man in his forties.
15, used in the structure of "verb+personal pronoun accusative+preposition +the+ some part of the body"
I hit him in the face.
16, used before the names of chorus, orchestra and pop music group.
Bach choir
17, used in some fixed phrases.
in the future
always
On the left/right
finally
originally
day and night ...
What is the usage of "like this"? As an adjective
adverb
pronoun
(adjective)
When doing this adjective, it is often placed before the indefinite article. After all, many, no, any, one, several, some have a fever, some and so on. , but not many, some, all, etc. Usually after using this, you can't use which, who, where and other words in the same sentence.
This will sometimes explain the previous sentence in the latter sentence and explain the reasons. These two clauses are separated by commas, and the latter clause is more emphasized.
Often used with as to list things, meaning "for example, like ……". The quantities mentioned later cannot be listed completely, but only occasionally. Can be used. Like this? As can also be used alone in the same sentence when as is the subject or object in a clause.
Pronouns (pronouns)
When used as a pronoun, it can be used to indicate singular or plural, and is often used as a subject or predicate in a sentence.
Example: Offense to nature, blasphemy to God, people are playing God-such remarks are contempt for nature, blasphemy to God, and people are playing God-people often make such comments.
There is little or no possibility that the enemy will fly to Xuzhou, Zhengzhou, Xi 'an and Suiyuan, and there is little or no possibility that the enemy will flee to Xuzhou, Zhengzhou, Xi and Suiyuan.
What is the usage of not that? Not to say: not to say; Not really; Not so much; Let's just say.
Examples and usage
She doesn't know what she is doing.
She doesn't know what she is doing.
Not that scientists have all the answers.
Scientists cannot answer all the questions.
It's not that Chelsea Football Club was in the original plan.
The establishment of Chelsea Football Club was not the original plan.
Not that I know of. Where did you get your milk?
I don't know, so where did you taste this milk?
What is the usage of for? Usage:
For ...
For, for, for.
(watch) used for, used for.
To get, to get, to get.
Give it to (someone) for (someone) to use.
Because, because.
Go (for goal and destination).
(indicate time, distance, quantity, etc. )
Right, right.
(the table is suitable) suitable, suitable.
Exchange (table exchange) in exchange for.
As an act.
(support, agree) support, agree.
As for ... as far as ... is concerned, it's like ...
(Table proportion) Every ....
Represent, replace, or represent.
At (the scheduled time).
Although, although.
Used with infinitives to guide logical subjects.
Bilingual example:
They went out for a walk.
They went out for a walk.
We study hard for our motherland.
We study hard for our motherland.
Knives are used to cut things.
Knives are used to cut things.
She often asks her parents for money.
She often asks her parents for money.
They will leave for Beijing tomorrow.
They will leave for Beijing tomorrow.
What is the usage of There be? There be structure is a common sentence pattern to express "existence", but the phenomenon that this structure does not express the meaning of "existence" is common in written and spoken language. It appears in the form of a negative sentence, which is used to deny a concrete behavior and an abstract concept. Its usual structure generally has the following three types:
There is a +no+ noun+when doing sth.
1. Among them, nouns are abstract nouns expressing "pros and cons" and "uses", such as:
It's no good going. It's no use going.
There is no harm in doing that.
It's no use doing it. It's no use doing it.
2. Nouns are abstract nouns that express "value" and "meaning", such as:
There is no point in waiting here. There is no point in waiting here.
There is no point in doing so. This is meaningless.
There is no shame in failing once. Once you fail, you won't lose face.
Note: the prepositions in this structure can be omitted, for example, it's no use asking her-she knows nothing. )
Second, have+have+do sth.
1. Verbs (do) are mostly verbs with the meaning of "report" or "cognition", such as: tell, say, know, etc. , followed by questions, such as when, what, etc.
It's hard to say what will happen. It's hard to say what will happen.
I wonder when he will come back. I wonder when he will come back.
I wonder when we will meet again. I wonder when we can meet again.
2. Other verbs have flexible meanings.
What to do can't be wrong. What should be done is clear.
An undeniable fact.
The wheel of history is unstoppable. The wheel of history cannot be reversed.
It is impossible to get along with him. He is difficult to get along with.
Once she started talking, no one could convince her. Once she starts talking, she won't stop talking.
You can't joke with him. You can't joke with him.
Third, there are+nothing+action nouns.
This structure means impossible/impossible to do something. For example:
There is no need to worry about it. There is no need to be in such a hurry.
There is no doubt about his honesty. His honesty is beyond doubt.
Sometimes, the passive noun form of the action noun in this structure is replaced, and its meaning remains unchanged. Try to compare:
This is an obvious fact.
There is no escaping this fact.
Can't escape (hide) from …
However, sometimes there are differences in meaning, try to compare:
A.there is no doubt about it.
B.there is no doubt about her virtue.
A sentence is an existential sentence, which means there is no doubt about it.
B sentence is an idiomatic structure that does not mean "existence", which means that her chastity is beyond doubt.
Besides declarative sentences, you can also see the above three structures in interrogative sentences. For example:
What's the use of discussing this matter further? What's the advantage of discussing this matter again?
Is there anything urgent about this? Do you need to rush it?
Be can sometimes be used with modal verbs in this idiomatic structure, and its tone tends to be more euphemistic. For example:
Where he came from is unmistakable. It is clear where he comes from.
No in this structure is not immutable, it can be replaced by other forms. For example:
This is impossible to escape.
Half of what he said is not credible. He doesn't even believe half of what he says.
It is never possible to predict what they will do next. It is impossible to predict what they will do next.
What is the usage of of? The meaning of this word is.
You'd better remember the phrases. Different phrases have different meanings.