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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.
查看习题详情和答案>>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 ____________?
查看习题详情和答案>>
【小题1】He comes from England .(同义句转换)
He ________ _________ England .
【小题2】Her book is on the floor . (划线部分提问)
_________ _________ her book ?
【小题3】She is cooking . (划线部分提问)
_________ is she __________ ?
【小题4】He is a good student .(反意疑问句)
He is a good student ,________ ________ ?
【小题5】I went to school yesterday .(变否定句)
I ________ ________ to school yesterday . 查看习题详情和答案>>
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.