专题情态动词

You must be the new teacher. He must be joking. There is nobody here. They must have all gone home.
(4) must表示“偏要，硬要”，指做令人不快的事情
He must come and worry her with question, just when she was busy
cooking the dinner. Of course，after I gave her my advice，she must go and
do the opposite.
Turn to page 6
Working in pairs, ask your partner questions using modal verbs. Use each verb only once. Your partner should use them in the answer. Be ready to present your questions and answers to the class.
You should/ought to have told her the truth earlier.
She shouldn’t have left without saying a word.
5. must and have to
(1) must 用 于 一 般 问 句 中 , 肯 定 回 答 用 must否定式用 needn’t或don’t have to， 做 “不必”,mustn’t表示“禁止，不允许”
— Must I finish all assignments at a time?
—Yes, you must. / No, you needn't.
You mustn’t get down while the car is still moving.
(2) 表示“必须”这个意思时，must 和 have to 稍有区别。must着重说明主观 看法，have to 强调客观需要。另外， have to 能用于更多时态。
You are to make some sentences of your own, using the verb phrases given.
Look forward to, talk about, talk with, think of and think about For example
3. My father is very tired. He has been
working ___d_a_y_a_n__d_n_i_g_h_t_________. 4. The great __p_o_e_t__ has been remembered
for over 2,000 years in China. There is a special festival to honor him. 5. I get up, go to school, do homework and go
to bed. That is my _d__a_il_y___ life.
As we know, there are two important kinds of verbs---transitive verbs and intransitive verbs. But many intransitive verbs have the structure
I’m looking forward to hearing form my friend
We are talking about verbs. Would you like to talk with me? Who can think of an effective solution to the problem?
I promised that I would do my best.
(2) 在疑问句中,will用于第二人称,表示请求或征 求意见,would则语气更委婉
Will you tell him the news as soon as he comes back？ Would you please speak again more slowly？
3） 情态动词的“时态”形式并不是时间区别的主
要标志，不少情况下，情态动词的现在式形式和过
去
式形式都可用来表示现在
时间、过去时间和将来时
间。
1 Can and Could
(1) could不表示时态 ,表示委婉的请求，（注 意在回答中不可用could）。
Could I have a look at your notebook?
They could have just forgotten to phone.
2. may and might
(1) maபைடு நூலகம்和might 用于一般问句中表示委婉的请 求,肯定回答用may,否定用mustn’t。
---May I use your pencil?
---Yes, you may./ No, you mustn’t.
4. shall and should
(1) shall用于第二、三人称表示允诺、警告、命令、决 心等。
You shall do as I say. (命令)
Tell him that he shall have the book tomorrow. (允诺)
Nothing shall stop me doing it. (决心)
They may/might not have received our
telephone. (4) may 放在句首祈使句，表示祝愿。
May you succeed!
May God bless you!
3. Will and would
(1) will和would表示意愿、意志，可用于各种人称
If you will help me with my English, I will be very happy.
(3) 表示推测，译为“可能、或许”，can常 用于否定句(意思是"不可能已经")和疑问句； could除用于否定句及疑问句外,还可用于肯定 句(意思是"那时可能;本来可以")。
Linda didn’t catch the train. She could have caught it.
Don‘t worry.
Young people should learn how to use computers.
Every citizen ought to obey law. You ought not to go.
(4) should/ought to have done表示责备 或批评,意为“本应该做到…但没有做到…”, 用于否定则表示“本不该…但”ought to的 语气更强烈.
(2) may和might表示“可能性”, may/might + v 指 现在或将来可能发生的动作情况。might暗示的可能 性更小。
She may not be working now.
John might be at home now.
(3) 对过去发生的事情的可能性作出判断 用may/might have done,用might比用 may的可能性更小。 She may/might have gone to the cinema.
Yes , you can./No, you can't.
(2) 表示“惊异,怀疑,不相信”的态度(主要用 于否定句,疑问句和感叹句中)。
Can this news be true? How can you be so foolish? It can’t be Mary. She has fallen ill.
Find the word or expression in the reading passage that fits each sentence.
1. I __lo_o_k_f_o_r_w_a_rd__to___ being forgiven by all of you.
2. A festival is often ___i_n_m__e_m_o_r_y__o_f __ a famous person or a great event in history
(2) 在疑问句中,用于第一、三人称，用来表示请求或
征求意见。 Shall I open the window for you？ （征求意见） Shall he fetch some water for you？ （请求）
(3) should常表示劝告、建议、命令，与 ought to意义相近，但ought to多表示责 任、义务，语气强烈。在疑问句中通常用 should代替ought to。
Turn to page 4. Find the words or expressions in the reading passage that mean the same as these.
Alternative expression A lot Something that causes hurt or pain
Make someone happy Feel excited about something that is going to happen Have a good time with Usual way of doing something Connected with farming Old relatives who have died
“verb + preposition (in/of/to) + objects ” .
Look at the following examples. ➢I am looking to forward to your party. ➢We talked about the problem ➢I am thinking of that wonderful holiday.
I don’t like this TV set. We must buy a new one.
There was no more bus. They had to walk home.
(3) must表示对某人某事的猜测， 作“准 是”，“一定” ，一般用于肯定句中。 对 过 去 发 生 的 事 情 作 肯 定 判 断 用 must have done
Please think about my proposal.
Grammar
Modal verbs
情态动词的语法特征
1） 情态动词 不能单独做谓语，除ought 和have 外， 后面只能接不带to 的不定式。
2） 情态动词没有人称，数的变化，但有些情态动词， 如can、will也有一般式和过去式的变化。
words and expressions from the text plenty Harm Satisfy Look forward to Have fun with custom Agriculture ancestors
Finish Exercise 2 with some of the above words in the correct form.