摘要:情态动词 用法 例句 must 表示“必须.应该 之意.语气比should.ought to强烈.其否定形式mustn’t表示“不准.不应该.禁止 等意 1. You must come to school on time. 2. Everybody must obey the law. 3. You mustn’t drive so fast in the street. 4. We mustn’t waste any more time. 在回答带有must的问句时.否定回答常用needn’t或don’t have to.表示“不必 .而不用mustn’t 1.-Must I come back before ten? -Yes.you must. 表示有把握的推测.意为“一定.准是.相必 .只用于肯定句中 1. It must be my mother. 2. You must be hungry after a walk. 3. There must be a hole in the wall. have to have to “必须.不得不 .意义与must相近.但must表示的是说话人的主观看法.而have to则往往强调客观需要. 1. The film is not interesting. I really must go now. 2. I have to go now, because my mother is in hospital. must只有一种形式.即现在式与过去式都是一种形式.而have to则涉及各种人称.时态等方面的变化形式. 1.I had to work hard when I was your age. 2.I will have to learn how to use a computer. 3.In order to take the exam, we’ll have to finish the whole book by the end of this month . 两者的否定意义不同.mustn’t表示“禁止.不许 .don’t have to表示不必. 1. You mustn’t go there. 2. You don’t have to go there.

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阅读下面短文,用括号内所给动词的适当形式填空(必要时可加情态动词或助动词)。
“Everything happens for the best," my grandmother said whenever things weren’t going my way. "Don’t worry, one day your luck 【小题1】_______(change). "
Grandmother was right, as I discovered after graduating from college. I had decided to be sports announcer (广播员) in a radio station, so I 【小题2】_______ ( go) to Shanghai and knocked on the door of every station. But I got refused every time.
In one station, a kind lady said my problem was short of experience. " Get some work with a small station and 【小题3】_______(work) your way up ," she said.
I couldn’t get a job there, either. Then my dad told me a businessman had opened a company and needed someone 【小题4】_______ ( manage) the sports center. But again, I didn’t get the job.
I felt really down. "Your luck will change," Granny reminded me. I tried another radio station in Beijing. But the owner, a nice man, told me he already had someone.
As I left his office, I asked, " How can someone be a sports announcer if he 【小题5】_______(not, get) a job in a radio station?"
I 【小题6】_______( wait) for the elevator when I heard the man call, " What was that you said about sports? Do you know anything about football?" I 【小题7】_______(put) in front of a microphone and asked to imagine I was commenting (评论) on a football game. "Now you 【小题8】_______ (watch) the football game between Lu Neng and Shen Hua. . . "
On my way home, Granny’s words came back to me, " One day your luck will change, boy. And when it 【小题9】 _______( happen) , it’ll feel twice as good because of all the disappointment (失望) you 【小题10】_______ ( have) . " At that moment I knew just what she meant.

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阅读下面短文,用括号内所给动词的适当形式填空。(必要时可加情态动词或助动词)
Once there was a baby eagle (1)_________(live) in a nest on a cliff(山崖). The baby eagle loved his nest. It was warm, soft and comfortable. And even better, he had all the food and love that his mother could give. Whenever the baby eagle was hungry, his mother would always come just in time with the delicious food he liked.
He (2) ___________ (grow) happily day after day. But suddenly his world changed. His mother stopped (3) _________ (come) to the nest. He was full of sadness and fear. He thought he (4) _________ (die) soon. He cried, but nobody heard him.
Two days later his mother appeared with some nice food. The baby eagle was wild with joy. But his mother (5) __________ (put) the food at the top of the mountain and then looked down at her baby. The baby eagle cried out. “Mum, why did you do this to me? I’m hungry. Don’t you know I will die if I have nothing (6) __________ (eat)?”
“Here (7) _____ (be) the last meal I give you. Come and get it by yourself, ”his mother said. Then she flew down and pushed the baby eagle out of the nest.
The baby eagle (8) ________ (fall) down, faster and faster. He looked up at his mum, “Why do you abandon me?” He looked down at the earth. The ground was much closer. Then something strange happened. The air caught behind his arms and he began (9) ______ (fly)! He wasn’t moving to the ground any more. Instead, his eyes were pointed up at the sun.
“You(10)_______ ( fly)! You can make it!” His mother smiled.

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