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A1 入门

情态动词 can(能、会、可以)

can 表示能力和许可:I can swim. Can I sit here? can 后面直接跟动词原形,所有人称形式都一样,不加 -s。否定是 can't (cannot)。

结构

can / can't + base verb

常见错误

can 后面加 to 或给动词加 -s。

He can to swim.

She can speaks French.

She can speak French.

小测验

  1. My grandmother can ______ three languages.

    speaks · speak · to speak

    显示答案

    speak — can 后面用动词原形。

  2. Sorry, I ______ come to the party.

    can't · don't can · not can

    显示答案

    can't — can 的否定是 can't。

  3. ______ you help me with this bag?

    Do · Are · Can

    显示答案

    Can — 请求帮助用 Can you…?

练习这个语法的故事

情态动词 can(能、会、可以): English grammar with examples · Linguigo