2026中考英语二轮复习专题突破精讲本03 专题一 第2讲 情态动词课件

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人教2026中考英语二轮复习 讲解课件
专题突破
专题一　形式多变的动词
第2讲　情态动词
湖北等地适用
课标知识讲解
命题点
1
情态动词的基本用法
情态动词 含义及用法 示例
can 表示能力，意为 “能，会”。可与be able to相互转化。 I can say “nihao” in different languages.
表示请求、允许，意为 “可以”，多用于口语中。 Can you give me a hand？ I lost my way here.
情态动词 含义及用法 示例
can’t 表示能力，意为“不能，不会”。 I can play the piano， but I can’t sing or dance.
表示拒绝对方的请求或者不同意/不允许，意为“不可以”。 You can’t take the book out of the library without permission.
情态动词 含义及用法 示例
could can的过去式，意为“能，会”，表示过去的能力。 The little girl was young, but she could eat by herself.
在疑问句中表示委婉的请求。 Could you take a message for me？
情态动词 含义及用法 示例
couldn’t could的否定式，意为“不能，不会”。 He couldn’t speak French fluently.
must 表示主观看法，意为“必须，一定”。 You must clean your bedroom every day.
mustn’t must的否定式，意为“一定不要，禁止”。 You mustn’t pick flowers in the garden.
情态动词 含义及用法 示例
may 表示请求、许可，意为“可以”。 May I play outside alone？
用于祈使句，表示祝福和祝愿。 May you have a nice trip!
might may的过去式，意为可以。 The teacher said we might leave early.
表示请求、许可，语气比may更委婉。 Might I ask you a question？
情态动词 含义及用法 示例
need 意为“需要，必需”，主要用于否定句和疑问句中。 Need I give you an example？
needn’t 意为“不需要，没必要”。 —Must I arrive at the airport before 5：00？
—No， you needn’t.
情态动词 含义及用法 示例
should/ ought to 意为“应该”，表示要求和命令，也可以表示劝告或建议。 You should/ought to give up smoking.
表示征询意见，常用于疑问句中。 Should I take my temperature？
情态动词 含义及用法 示例
shouldn’t 意为“不应该”。 We shouldn’t depend so much on our parents.
had better 意为“最好”。多用于第二人称，否定形式为had better not。 You had better not be late for school.
情态动词 含义及用法 示例
have to 意为“不得不”，多表示客观必要。 I have to study for a math test.
don’t have to 意为“不需要”，回答must提问的问句。 —Must we finish the task now？
—No， we don’t have to.
命题点
2
情态动词表推测
情态动词 含义及用法 例句
can’t 表示否定推测，语气强烈。意为“一定不，不可能”，可能性几乎为零。 Danny can’t be playing on the playground. I saw him in the library just now.
could 表推测，意为“有可能，也许”，语气缓和，较委婉。 It could be a girl’s room because it’s very tidy.
情态动词 含义及用法 例句
must 表示非常有把握的肯定推测，100%的可能性，意为“一定，肯定”。 They must be very tired after a long walk.
may 意为“有可能，也许”，用于肯定句，表示把握不大的推测。 The plane may be put off because of the terrible weather.
情态动词 含义及用法 例句
may not 表示否定推测，意为“可能不”。 It may not be Mary’s schoolbag. She doesn’t like black.
might 表推测，意为“有可能，也许”，可能性低于may，语气缓和，较委婉。 She might have gone to the library. She likes reading in the afternoon.
综合检测
微短文填空
Passage 1
真题同源素材改编自Highlights
享受过程
can’t　could　may　must　should
Grandpa and Emmy were watching TV. Suddenly， Emmy’s stomach growled（发出低沉的声响）. “You 1. 　　 be hungry，” said Grandpa. Emmy said， “Shall we make dumplings for lunch？ ”
must
Then they began to make dumplings together. “This one 2. 　should　 be made again. It is imperfect，” said Emmy. Grandpa smiled， “That’s OK. It 3. 　may　 be imperfect but it will still taste good.” Grandpa put the dumplings in the pot. Emmy 4. 　could　 tell which one was hers. She said to Grandpa， “The perfect ones 5. 　can’t　 be mine.”
should
may
could
can’t
can’t　could　may　must　should
When Emmy ate one of her ugly dumplings， she thought it was delicious! “You are right， Grandpa，” said Emmy.
Passage 2
外文素材改编自Spider
岁月的流逝
could　couldn’t　might　must　shall
Today Parker turned fifteen. His parents were preparing a birthday party for him. Grandma was in the garden. “Happy birthday， Parker! You 1. 　must　 like the gift I prepared!” She said confidently. Parker guessed that Grandma 2. 　might　 have made his favorite chocolate strawberry cake， but he was not sure.
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might
And Parker noticed Grandpa was sleeping on his only grandson’s birthday.
Parker 3. 　couldn’t　 believe it. Finally， Grandpa woke up and said， “Oh， it’s Parker’s birthday!” Grandpa asked Parker if he 4. 　could　 take a walk with him. Parker nodded.
couldn’t
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could　couldn’t　might　must　shall
Parker remembered that Grandpa used to walk fast， but now his legs were shaking. “Grandpa， 5. 　shall　 we sit down and have a rest？” Parker asked. He held Grandpa’s warm， wrinkly（有皱纹的） hand， and for some strange reason， it felt more like Parker’s birthday than ever.
shall
Thanks!
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