英语推荐网 雅思托福 一课一题一语法 新概念英语第1册第129-130课

一课一题一语法 新概念英语第1册第129-130课

He must have been a teacher. He must have been tired th…

He must have been a teacher.

He must have been tired then.

He must have been in the park then.

2、对动作的猜测

其基本用法为:

主语 + must have been doing (强调过程,动作一直持续)

主语 + must have done (强调结果,动作已经结束)

如:

He must have been reading in the library the whole afternoon yesterday.

He must have finished the work yesterday.

(二)can

当表否定猜测时,要用can’t,表示“一定不”。本课侧重学习的是can’t对过去时间发生的状态或动作的猜测。

1、对状态的猜测

其基本用法为:

主语 + can’t have been + 名词/形容词/短语

如:

She can’t have been a doctor.

She can’t have

been excited then.

She can’t have been at home then.

2、

对动作的猜测

其基本用法为:

主语 + can’t have been doing (强调过程,动作一直持续)

主语 + can’t have done (强调结果,动作已经结束)

如:

She can’t have been working in the garden then.

She can’t have finished the work then.

三、一课一题

根据本课的重要语法点,让我们来练一练吧,请把下列句子翻译成英语。

1. 他上周肯定在上海。

2. 她前天上午不可能一直在地里干活。

3. 汤姆肯定五天前就到巴黎了。

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