be动词用法完全揭秘
用法热身选用am, is或are填空。
1. —_________ your uncle from America?
—Yes, he _________.
2. She has a new pen. She _________ very happy.
3. —_________ you a student?
—Yes, I _________.
4. They _________ our teachers.
5. Nick and Lucy _________ very polite and helpful.
6. —_________ you classmates?
—Yes, we _________.
7. —_________ Spotty your dog?
—Yes, it _________.
8. —What _________ your father?
—He _________ a policeman.
语法一点通
am, is和are的用法可以用下面的口诀记忆：“我(I)用am, 你(You)用are, is用于他 (He)、她(She)、它(It)，复数形式都用are。” 其中“is用于他 (He)、她(She)、它(It)”中的“他、她、它”是 “除去你(You)、我(I)之外的另一个人”，即第三人称单数形式。are除用于you, we, they之后，还可用于复数名词作主语的句子中。如： The teachers are very kind. 这些老师都很和蔼。
Keys：1. Is; is 2. is 3. Are; am 4. are 5. are 6. Are; are 7. Is; is 8. is; is
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