be动词+not. 情态动词+ not. 助动词 + not 如何将一个肯定的陈述句改为否定句: 1.看句中有无be动词.如有.直接在be动词后+ not. 2.看句中有无情态动词.如有.直——青夏教育精英家教网—

be动词+not. 情态动词+ not. 助动词 + not 如何将一个肯定的陈述句改为否定句: 1.看句中有无be动词.如有.直接在be动词后+ not. 2.看句中有无情态动词.如有.直接在情态动词后+ not. 3.如上述二者都没有.就应用助动词+ not.分四个步骤: (1)肯定陈述句中本来是没有助动词的.要加上去.位置在主语后.动词前. (2)确定助动词用do.does还是did.根据句中动词.动词是原形的助动词就用do.动词是第三人称单数的助动词就用does.动词用过去式的助动词就有did. (3)在助动词后加not. (4)原句中动词假如发生变化就要恢复成原形. 强调一点.有some的要考虑是否要用any. 【查看更多】

题目列表(包括答案和解析)

Think and write. （根据主语人称，用be动词的正确形式填空）

1. —             you a boy?
    — No, I          not.
2. The girl _____ Jack's sister.
3. The dog _____ tall and fat.
4. The man with big eyes____ a teacher.
5. ____     your brother in the classroom?
6. — Where _____ your mother?
    — She            at home.
7. How _____ your father?
8. Mike and Liu Tao _____ at school.
9. Whose dress _____ this?
10. Whose socks _____ they?

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用be动词的适当形式填空。

1. I ______________ Xiao Ming. I ______________ nine years old.
2. Dick ______________ a singer.
3. Excuse me, ______________ you a teacher?
4. Tom and Lucy ______________ good friends. They ______________ in the same class.
5. What day ______________ it today?
6. It ______________ not a penguin (企鹅).
7. These boxes ______________ too heavy for me.
8. There ______________ a tree on the hill.
9. There ______________ many birds in the sky.
10. My name ______________ Martin. I ______________ from Australia.

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Change the following sentences into passive voice

Structure：be动词+过去分词

She takes her dog to the park.

Her dog ________________.

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Change the following sentences into passive voice

Structure：be动词+过去分词

My mother gave me a new book.

A new book ________________.

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Change the following sentences into passive voice