用am，is或are填空，然后总结其用法。

(1)That's my father and this ________ my mother.

(2)This is my cousin and that ________ my sister.

　　(3)－________she your sister?

　　－Yes, she ________.

　　(4)－And ________ he your brother?

　　－No. He's my friend.

　　(5)－________ Guo Peng your brother?

　　－Yes, he ________.

(6)I ________ his friend. I'm not his brother.

　　(7)－________ you Jack's brother?

　　－No, I'm not. I ________ his cousin.

(8)These ________ my grandparents.

　　(9)－________ this your aunt?

　　－Yes, it ________.

(10)These ________ my parents, those ________ my grandfather and grandmother.

(11)These are my brothers. They ________ Jeff and Jack.

(12)They aren't my sisters. They ________ my friends.

am用于第一人称单数I之后；is用于第三人称单数ge，she，it以及相当于he，she或it；are用于第二人称或所有人称的复数，表达“是”的意思。可用下面的口诀来帮助记忆：“我用am你用are，is用于他她它，复数全都要用are”。

I am…可以缩写成I'm，he is可以缩写成 he's，she is可以缩写成加she's，it is可以缩写成it's，而we are，you are，they are可分别编写成we're，you're，they're。am，is，are的否定形式是在后面加not，如：am not，is not，are not。is not通常缩写为isn't，而are not通常缩写为aren't。如：

(1)I'm Alice, I'm not Mary. She's Mary.

(2)This isn't my brother. He's my cousin.

(3)They're my brothers. They aren't my friends.

首字母填空

1．Gao Peng has been r            for 35 minutes．

2．Many children want to get a               computer．

3．Grandma Li often r              money for charity．

4．It means normal and polite social b             ．

5．Thanks for s               me the snow of globe the monster．

6．B              John and me, any other students in our class have seen the film, and we all like it．

7．Would you mind c              your room?

8．What's the best gift Wang Lin has ever r           ?

9．People don't usually like to be c                ．

10．Tom said p               to the teacher, "Would you mind if I ask you some questions" ?

根据首字母提示完成句子。

1．Please have a l             at his photos．

2．My father and mother are my p                ．

3．The red shorts on s             re very cheap．

4．Computer games are very i                ．

5．After dinner, I have ice cream for d                 ．

6．She likes fruit and v            ．

7．We should（应该）eat h            food．

8．For b           , Li Ping likes eggs, and apples．

9．We have l             at 12 o'clock．

10．Gao Peng has a great stamps c               ．