1 表示能力时，意为“能、会”。
表请求
Can you come to my birthday party?
2 表示请求或许可时，意为“可以”
表否定推测
That man can’t be my English teacher.
3 表示推测时，意为“可能”，常在否定句和疑问句中
can的基本句型
I can play the guitar. 我能弹吉他。
Sometimes we draw pictures. Alice can draw animals much better than I can.

Unfortunately, she can’t spell as well as she can draw.
can的基本用法
表能力
He can speak a little Japanese.
速记小筏
can可用来表能力,人称和数约束弃；不可
情
单独作谓语,须和实动连动合一起。若是
态
动
句中出现can,动词原形后边站；一般疑问
词
can提前,否定can后not添。用can提问用
can
can答,不可滥用别词加；Yes跟can，No
can’t，前后不一闹笑话。
典例1
The little boy has just had lunch. He
情态动词can的用法
看漫画找规律
情态动词can有什么用法 呢？
When it rains, we can stay in the classroom during the lunch break.
My friend Alice and I sometimes play chess. I am quite a good player, but I cannot always beat her.
be
hungry already.
A. must B. mustn’t C. can D. can’t
典例2
—Helen, who
fix up the computer in our
class?
—I think Jeff can.
A. should B. would C. must D. can
肯定句：主语 + can+ V原形+其他
I can’t play the guitar. 我不会弹吉他。
（否定句）
否定句：主语 + can’t+ V原形+其他
Can you play the guitar? 你会弹吉他吗？ （一般疑问句）
一般疑问句：Can +主语 + V原形+其他 ？ 答语：Yes, 主语+can./No, 主语+can’t.