BOOK ONE · LESSON 126

Have to and do not need to 不得不和不必要

不得不和不必要

A picture lesson on 'have to' (obligation) and 'do not need to' (absence of obligation), including the past form 'didn't need to' and 'had to'. Six pictures show questions and answers about having to leave immediately, getting up early, taking a taxi, waiting two hours, watering the garden and walking to the station. The lesson introduces the word immediately and written exercises on writing questions and answers, answering with have to/has to, and writing questions with have to. The workbook drills choosing between have to / don't need to / didn't need to and reacting to situations; the grammar workbook completes sentences with have to, don't need to or didn't need to and makes dialogues about school duties.

126 / 144 LESSONS3 PARTSREAD · WRITE · PRACTISE

READ & UNDERSTAND

Lesson 课文

Listen to the tape and answer the questions. 听录音并回答问题。

听录音并回答问题。

Six numbered pictures in a 3x2 grid: 1 two people at a door in the rain; 2 a man and woman by an alarm clock; 3 a man in a taxi at a bus stop; 4 two men talking on the street; 5 two people by a garden before rain; 6 two people walking past a bus stop. — l126-pictures

1. Do you have to go now? / Yes, I have to leave immediately.
2. Do you have to get up early tomorrow morning? / Yes, I'll have to get up at six o'clock.
3. Did you have to take a taxi? / I'm afraid I had to. I couldn't get a bus.
4. Hasn't your friend arrived yet? How long have you had to wait? / I've had to wait for two hours!
5. Do you have to water the garden? / No, I don't need to water it now. It's going to rain.
6. Do we have to walk to the station? / No, we don't need to. We can catch a bus.

1. 你现在必须走了吗？/ 是的，我必须立刻离开。
2. 你明天早上必须早起吗？/ 是的，我不得不六点钟起床。
3. 你不得不打的了吗？/ 恐怕是的，我坐不上公共汽车。
4. 你的朋友还没到吗？你等了多久了？/ 我不得不等了两个小时了！
5. 你不得不浇花园吗？/ 不，我现在不必浇，天要下雨了。
6. 我们不得不走到车站吗？/ 不，我们不必，我们可以坐公共汽车。

Listen and answer the questions

Listen to the tape and answer the questions. 听录音并回答问题。

听录音并回答问题。

One question per picture (6 pictures); the answer is the spoken reply from the picture captions.

1Do you have to go now? (Picture 1)

2Do you have to get up early tomorrow morning? (Picture 2)

3Did you have to take a taxi? (Picture 3)

4Hasn't your friend arrived yet? How long have you had to wait? (Picture 4)

5Do you have to water the garden? (Picture 5)

6Do we have to walk to the station? (Picture 6)

New words & expressions 生词和短语

immediately /'ɪmɪdiətli/: adv. 立即地

Written A: Write questions and answers

抄写以下句子，然后提问并写出相应的否定句。

4 items; 2 examples printed on the page (You have to leave early. → Do you have to leave early? / You don't have to leave early. She must leave early. → Must she leave early? / She needn't leave early.).

1She has to decide immediately.

2She must decide immediately.

3We have to take a taxi.

4We must take a taxi.

Written B: Answer these questions

用 have to 或 has to 回答问题。

4 answer items; 1 example printed on the page (I must go now. What about you? → I have to go, too.).

1I must telephone him. What about you?

2I must wait for him. What about Mary?

3I must meet her. What about Jim?

4I must travel by ship. What about Tom and Mary?

Written C: Write questions

模仿例句改写提问。

4 question items; 1 example printed on the page (I must go now. → Do you really have to go now?).

1I must telephone him.

2Mary must wait for him.

3Jim must meet her.

4Tom and Mary must travel by ship.

MAKE IT YOUR OWN

Practice 练习

Practice A: Choose and write in the best words

Choose and write in the best words. 选择最恰当的词。

选择最恰当的词。

10 multiple-choice items choosing the correct form of have to / need to; item 1 is the printed example.

1When ___ you have to leave? (a) you have to (b) do you have to (c) you had to

do you have to

2You ___ leave school early tomorrow. (a) had to (b) have had to (c) will have to

3I ___ go to the dentist's very often. (a) don't have to (b) don't need (c) doesn't have to

4We ___ walk home. Here's a bus. (a) doesn't have to (b) don't need to (c) didn't need to

5I ___ wait for you for the past twenty minutes. (a) have to (b) have had to (c) hadn't had to

6___ leave now? Our other friends are staying till late. (a) Does she have to (b) Did she have to (c) Has she had to

7He ___ water the garden now. It's raining. (a) don't need (b) doesn't need to (c) won't have to

8___ take a taxi home in the past? (a) Do you ever need to (b) Do you ever have to (c) Have you ever had to

9I ___ go to the dentist's very often. (a) have to (b) had to (c) don't need to

10We ___ walk home. Here's a bus. (a) have to (b) had to (c) don't need to

Practice B: Situations

Read these situations. What do you say in each? 根据以下情景写出你应该说的话。

根据以下情景写出你应该说的话。

3 situation items; the workbook answer key has no printed answers for Lesson 126 B, so the answers are model answers (suggested).

1You want to buy something, but find that you haven't got enough money on you. What do you say with 'What ...?'

2You're in the garden with a friend. It's a fine day. Suddenly you see a big cloud and think it's going to rain. You point to the cloud and say: 'I must go now. What about you?' You agree you must go, too. What do you say?

3A friend says: 'I must go now. What about you?' You agree you must go, too. How do you say it?

BUILD YOUR FOUNDATION

Grammar 语法练习

Grammar I: Complete the sentences by adding 'have to', 'don't need to' or 'didn't need to'

用 have to, don't need to 或 didn't need to 填空。

12 fill-in items choosing between have to, don't need to and didn't need to.

1I ___ buy both books so I bought only one.

2We ___ hurry. We are very late.

3We ___ hurry. There is plenty of time.

4He ___ do any homework last night because he had finished it at school.

5You ___ take a taxi. There is a bus coming.

6She ___ get up early yesterday because it was a holiday, so she stayed in bed till 10 o'clock.

7You ___ stay behind to help me with my work. I can do it by myself.

8I ___ take a taxi. I can't wait for a bus.

9You ___ write home because you are going home tomorrow.

10I ___ buy any new shoes because my mother bought two pairs for me yesterday.

11He ___ do any work yesterday because his brother had done it all for him.

12You ___ do all the work by yourself. I can help you if you want.

Grammar II: Make dialogues using the cues given according to the example

仿照例句用所给的词编写对话。

6 dialogue items; item 1 (clean the blackboard) is the printed example. Each dialogue has 4 lines.

1clean the blackboard

I must clean the blackboard now because I'm on duty today. / No, you don't need to do it because I'll do it for you. / Then I shall have to clean it tomorrow. / No, you won't have to do it then, either, because I'll clean it for you.

2sweep the floor

3clean the desks and chairs

4clean the windows

5collect the books

6water the flowers

BACK TO THE BOOK

Original sources 原始资料

Open the original pages to compare your work. 点击链接查看原文。

A little practice, every day. 每天一点，慢慢积累。