沪教版上海牛津三年级上册英语-句型转换

牛津上海版三年级上册英语 知识点

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4、 They can swim.

一般疑问句：______________________________________________

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5、 I like apples.

一般疑问句：______________________________________________

肯定回答：__________________________________________________

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6、 I am Danny.

一般疑问句：______________________________________________

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7、 This is my ruler.

一般疑问句：______________________________________________

肯定回答：__________________________________________________

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8、 Those are his robots.

一般疑问句：______________________________________________

肯定回答：__________________________________________________

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牛津上海版三年级上册英语 知识点

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9、 You can go to have a look.

一般疑问句：______________________________________________

肯定回答：__________________________________________________

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10、 I know his name.

一般疑问句：______________________________________________

肯定回答：__________________________________________________

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牛津上海版三年级上册英语 知识点

第 3 讲 改肯定句

【知识点】

1、一般疑问句改肯定句

（1）将句首的 am/is/are/can 放回主语后面，其它照抄，标点改成句号。 例如：Is she tall? She is tall.

（2）句首是 Do、Does 的，去掉 Do、Does，其它照抄，动词用原形，标点改 成句号。如果主语是第三人称单数，谓语也要改为第三人称单数形式。例如：Do you like apples？肯定句：I like apples.

2、否定句改肯定句

（1）句子中有 am/is/are/can 时，直接把 am/is/are/can 后面的 not 去掉，其他照 抄。例如：I can’t run. I can run.

（2）句子中有 don’t 或 doesn’t 时，直接去掉 don’t 或 doesn’t，其他照抄。如果 主语是第三人称单数，谓语也要改为第三人称单数形式。例如：Don’t shut. Shut.

【练习题】

1、 Is this tall boy thin?

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2、 Are your ears small?

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3、 Can Sarah clean the classroom?

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4、 Do you like the ducks?

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牛津上海版三年级上册英语 知识点

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5、 Is this the playground?

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6、 Are you a boy?

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7、 Can they swim?

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8、 Does he like the dogs?

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9、 I am not a boy.

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10、 Sam isn’t sad.

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11、 We aren’t studying English.

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12、 I can’t dance

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13、 Don’t open the pencil-box.

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14、 He doesn’t know your name.

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