-How old __________his friend？
-He ________ten．
科目：初中英語 來源：初中課程新學案 七年級英語(上) 題型：023
用am，is或are填空，然后總結其用法。
(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用于第一人稱單數I之后；is用于第三人稱單數ge，she，it以及相當于he，she或it；are用于第二人稱或所有人稱的復數，表達“是”的意思。可用下面的口訣來幫助記憶：“我用am你用are，is用于他她它，復數全都要用are”。
I am…可以縮寫成I'm，he is可以縮寫成 he's，she is可以縮寫成加she's，it is可以縮寫成it's，而we are，you are，they are可分別編寫成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通常縮寫為isn't，而are not通常縮寫為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.
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科目：初中英語 來源：英語教研室 題型：033
-_______everyone here today？
-No，Mike and Tom ________not here．
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科目：初中英語 來源：同步題 題型：填空題
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