情態(tài)動詞一、命題規(guī)律和?？伎键c 情態(tài)動詞為中考必考考點，常在單項填空、單詞填空題目中設置1分題目，其考點有：①情態(tài)動詞的基本用法；②情態(tài)動詞表推斷和表委婉語氣的用法。 考點1：情態(tài)動詞的基本用法 情態(tài)動詞 | 用法 | 例句 | can |
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| 表能力，“能、會” | Sam can speak English well. |
| 表請求、允許，“可以” | Can I borrow your bike？ |
| could |
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| can的過去式，“能、會”，表過去的能力 | Lang Lang could play the piano well when he was young. |
| 在疑問句中表委婉的請求，注意回答 用can/can't | —Could I have one cup of tea？—Sure，you can. |
| must | 表主觀看法，“必須、應該” | You must finish your homework first！ | have to | 表客觀看法，“必須、不得不” | It's raining，I have to stay at home. | should | “應該”，表要求和命令，也可表勸告或建議 | We should keep the air fresh. | need | “需要”，主要用于否定句和疑問句中 | You needn't say sorry to him. | may |
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| 表請求、許可，“可以” | You may sit here if you want. |
| may用于疑問句時，否定回答用mustn't/can't | —May I use your bike? —Sorry，you mustn't |
| might |
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| may的過去式 | He asked if he might go home. |
| 表請求、許可，語氣比may更委婉 | Might I smoke here ？ |
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情態(tài)動詞 | 用法 | 例句 | will， would |
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| 表必然性，“將會” | Fish will die without water. |
| 表意愿/意志，“愿意” | I will tell you all about it. |
| 詢問對方的意愿或提出請求，用于疑問句，would 比will委婉/禮貌 | Will/Would you go with me？ |
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考點2：情態(tài)動詞否定式的用法 情態(tài)動詞 否定式 | 含義 | 用法 | 例句 | mustn't | 不準/千萬不要 | 表禁止 | You mustn't play football on the ro ad. | shouldn't | 不應該 | 表責任/義務 | We shouldn't waste water. | needn't |
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| 不需要/不必 | 表需求 | You needn't clean the room. |
| 是must用于問句時的否定答語 | 固定用法 | —Must I finish my homework now? —No，you needn't. |
| had better not | 最好不要 | 表勸告/建議 | You had better not smoke.It's bad for your health. |
考點真題檢測 ( B )1.(2017云南中考) —I saw Susan in the library just now. —No，it________ be her.She went to Shanghai this morning. A．must B．can't C．may D．needn't ( C )2.(2017曲靖中考) —________I use your dictiona- ry? —Sorry.I left it at home. A．Must B．Need C．May D．Should ( D )3.(2017青島中考) We should keep quiet in the cinema.We________speak loudly. A．can B．must C．needn't D．mustn't ( B )4.(2017上海中考) —________ I park my car here for a while? —No，you mustn't.Do you see the sign“NO PARKING”？ A．Would B．May C．Must D．Should ( C )5.(2017重慶中考B卷) —Robert，could you wash the car for me? —Yes，I________．I'm coming，dad. A．could B．couldn't
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