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.

按要求变换句型（2＇ⅹ5）
【小题1】This is an ID card. （就画线部分提问）
_______is this?
【小题2】That is a notebook. （改为一般疑问句）
_______  _______ a notebook?
【小题3】Are you Frank? （做出肯定的简略回答）
_________, _____  _____.
【小题4】I am Helen.(改为同义句)
_______ _______  Helen
【小题5】Is she your sister? （做出否定的简略回答）
No, _______ ___________.

句型转换

1.We will have our picnic tomorrow. （改为一般疑问句）

____________ you ____________ your picnic tomorrow?

2.Me likes running and playing the piano. （改为否定句）

He ____________ like running ____________ playing the piano.

3. The teacher speaks to the older students slowly and loudly. （对画线部分提问）

____________ ____________ the teacher speak to the older students?

4. Sam runs every morning. （用now替换every morning）

Sam ____________ ____________now.

5. She is going to see a film. （对画线部分提问）

____________ is she going to ____________?

句型转换（共5题；每小题1分，计5分）
【小题1】My sister is friendly.（对划线部分提问）
_______ your sister ______ ?
【小题2】I think he is right.(改为否定句)
I _________ think he ________ right.
【小题3】Tonny has ten story books.Jimmy has five story books.(保持句意基本不变)
Tonny has   books   Jimmy.
【小题4】The weather is so lovely on the beach.(改为感叹句)
__________ __________ weather it is on the beach!
【小题5】She was late for school this morning because it rained heavily.( 保持句意基本不变)
She was late for school this morning __________ __________ the heavy rain.