"Food for thought" PartⅡ PPT

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"Food for thought" PartⅡ PPT

Part One: In-depth Grammar Lectures

1. Understanding the basic characteristics

【Perception of usage】

1.Luckily, he was able to escape from the big fire in the end.

Fortunately, he finally escaped from the fire.

2.I daren’t say that. Dare you go with me? (Affirmative answer: Yes, I dare. Negative answer: No, I dare not.) I can't say that. Do you dare to go with me?

3.She has to help with the washing. She has to help with the washing.

4.You’d better get some sleep. You’d better get some sleep.

5.You needn’t do it again. You don’t need to do it again.

2. In-depth explanation of main usages

1.be able to

(1) be able to emphasizes the ability obtained through hard work.

He will be able to sing this song in English in a few minutes, too.

After a few hours, he was able to sing the song in English as well.

(2) be able to emphasize a result.

After many years of hard work, he was able to pay off all his debts.

After years of hard work, he finally paid off his debt.

(3) be able to can have various tenses.

He is/was/will be able to help you. He can help you.

2.dare

When dare is used as a modal verb, it is followed by the base form of the verb (the infinitive of the verb without to).

How dare you say that? How can you say that?

If he dare break the rule, he will be punished.

If he dares to break the rules, he will be punished.

3.have to

(1)The declarative form of have to

A. Affirmative: have to + verb base form

I have to tidy my room. I have to tidy my room.

B. Negative: don’t (doesn’t) + have to + original form of verb

You don’t have to go if you don’t want to. If you don’t want to go, you don’t have to go.

He doesn’t have to stay at home all day. He doesn’t have to stay at home all day.

(2) The general question form and short answer of "have to"

The general interrogative form of have to must use the auxiliary verb do or does:

Do you have to look after your sister? Do you have to babysit your sister?

Yes, I do./ No, I don’t. Yes, I have to take care of it. /No, I don’t have to look after it.

Does Jim have to do his homework? Does Jim have to do his homework?

Yes, he does./ No, he doesn’t. Yes, he must do. /No, he doesn't have to do it.

(3)Special interrogative form of have to

What do you have to do on Sundays? What do you have to do on Sunday?

Why does she have to move to Paris? Why did she have to move to Paris?

4. had better

(1) It means "best" or "should", followed by the original form of the verb, which is similar to the modal verb should, in which had is usually abbreviated to 'd:

We had better go before it rains. We had better go before it rains.

(2) When had better forms a negative, not is usually placed after had better (instead of after had); when forming a question, had (instead of had better) is usually placed before the subject:

I had better not disturb him. I had better not disturb him.

What had we better do? What's our best thing to do?

Food for thought PPT, part 2: Learn and practice now

Complete sentences

1.With the firefighters’ help, the girl ____________________________.

With the help of firefighters, the girl was able to escape from the fire.

2.Where do they _______________________________________________?

Where do they have to work?

3.Tomorrow you ____________________________________________.

You'd better be here on time tomorrow.

4.How ____________________ without your teacher’s permission?

How dare you enter the laboratory without your teacher's permission?

5._______________________________ in the form?

Do they need to fill out a form?

6.You ____________________________________________when he asked.

You don't actually have to say it when he asks.

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Update Time: 2024-10-23

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