(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?
