"Language in use" Help PPT courseware 4

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"Language in use" Help PPT courseware 4

imperative sentence

The silent subject of this type of imperative sentence is you, but it is usually omitted. Please is sometimes added at the beginning or end of a sentence, and a salutation can also be added, separated from the main body of the sentence by a comma.

Imperative sentences express the speaker's instructions, advice, hopes, prohibitions, suggestions, requests or orders to the other party. Imperative sentences generally begin with the original form of the verb, without changes in tense or number.

▲1. Imperative sentences composed of the original form of verbs

affirmative form

Do type, that is, the original form of the verb (+ object) + other

Be type, that is, Be + predicate (noun or adjective) + other

Negative form: Add don't before the base form of the verb, or you can also start it with the negative adverb never.

Have a nice day! Have a nice day!

Don’t waste your time! Don’t waste your time!

Never be late again! Never be late again!

Come this way please! Please come this way.

Please be quiet, boys! Boys, please be quiet!

Make sure he’s warm. Make sure he doesn’t get cold.

Don’t use the lift. Don’t use the lift.

▲2. Imperative sentences composed of let’s

This type of imperative sentence is often used to make suggestions.

Affirmative structure: Let+object+motivator+other

Negative structure: Don't let + object + prime + other

Let+object+not+motivator+other

▲3. Imperative sentences without verbs

Imperative sentences can also be used as nouns, adjectives, adverbs and phrases starting with no.

Modal verbs must, can, could express speculation

▲Differences in usage

must

Expressing speculation is often used in affirmative sentences with a more positive tone. At this time, must can be translated as "certainly; must be".

can

Speculation is often used in negative sentences or questions. It is a confident negative speculation, meaning "impossible".

could

It can be used in affirmative sentences, negative sentences or questions. It can also express the possibility of the past, indicating that it may happen, and the degree is weaker than can.

Please carefully compare the following set of sentences

Who sent the present? Can it be your brother?

Who sent this gift? Could it be your brother? (Ask about possibilities)

It must be your brother. I saw him in your room just now.

It must be your brother, I saw him in your room just now.

(Strong tone, expressing absolute certainty)

It can't be my brother. He is still in France.

It can't be my brother, he's still in France. (meaning impossible)

It could be your brother. He said he might come back.

Maybe it's your brother. He said he might come back. (Indicating a possible guess)

Exercises

1. Complete the sentences with could, must or mustn’t.

keep out means "to stay outside; to stay outside".

1.It is dangerous. You ______keep out!

2.These stairs are not safe. You _______use them.

3.The rocks are falling down. You _____get hit.

4.The river is too deep. You _______swim in it.

5.Betty _____know what to do, because she did some basic medical training.

2. Underline the correct words to complete the first aid instructions.

1 Get / Do not get medical help immediately.

2 Ask / Do not ask them where the pain is.

3 Lift / Do not lift them because you may drop them.

4 Keep / Do not keep them warm.

by warning them that a tsunami...

By means "through; in (a certain way)", and is often followed by a noun, pronoun, or V-ing form, which means by a certain way, means, etc. Use how when asking questions.

The old man makes his living by selling newspapers.

Several other uses of by:

1. Indicates the direction "next to". He sat down by the door.

2. Expressing time "before...". Can you finish the work by 5 o'clock.

3. Indicates the mode of transportation "taking a ride". I go to school by bike.

4. by fixed matching. by the way by oneself

(High School Entrance Examination Link)

Parents enjoy any progress their children have made and will feel____them.

A. angry with B. interested in

C. proud of D. worried about

Work in groups. Choose an accident from the list in Activity 8 and give instructions about what to do.

When there is School accident…

First…

Second…

Third…

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Update Time: 2024-10-19

This template belongs to English courseware Foreign Language Research Edition Eighth Grade English Volume 1 industry PPT template

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