小学三年级英语语法：情态动词can

　　(一)情态动词can

　　can 在英语中有一个特殊的名字,叫做情态动词，表示"能够", "会", "能力"后面要跟着表示动作的动词。没有时态和人称的变化。表示不能做什么的时候,后面加上 not为 can not,或者缩写为can't。问别人"能…吗？"要把can 放在句子前面,首字母要大写,句尾别忘加上问号。

　　例句：-I can swing .I can draw.

　　-She can jump.He can play .

　　-We can touch .They can run.

　　-I can't sing.You can't see.

　　-She can't dance.He can't hear a car.

　　-We can't hear an aeroplane.

　　-Can you hear a dog？Can he hear a bus？

　　-Can Lucy write？Can you do it?

　　将下面各组词组成句子

　　1.________________________（an,aeroplane,hear,Lucy,can ）

　　2. ____________________________ (not,he ,dance,can )

　　3.____________________________? (you,can ,see,what )

　　4.____________________________(can ,see ,not ,we ,you)

　　5._____________________________. (I ,can ,help ,you )

　　6._____________________________? (I,can ,do,what)

　　7._____________________________? (you ,can ,hear me)

　　8._____________________________? (you ,can ,dance)

　　答案：1. Lucy can hear an aeroplane.   2. He can not /can't dance.

　　3. What can you see?                 4. We can not /can't see you

　　5. I can help you.                    6. What can I do?

　　7. Can you hear me?                  8. Can you dance?