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时间状语前何时不用介词?五种情况探析

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S:学生 T: 老师

S: 老师,时间状语“for+段时间”结构中, for必须加吗?比如:

He worked here three years.

这句话中three years前省略了for?

T: “for+段时间”在肯定句中,for可省。 否定句和置于句首时,不可省。比如:

The meeting lasted (for) two hours.

I haven’t seen her for a long time.

For a whole day, it has been raining.

S: 哦!原来如此!

还有,on that day和that day有什么区别?不是由this,that,these,those构成的时间状语前不用介词吗?

T: on that day 和that day区别如下:

1.词性不同:

前者为介词短语,后者为名词短语。

2.都可做时间状语,区别不大,加介词只起特别强调作用。如:

I met him (on) that day.

3.that day作为名词短语,在句中还可作主宾表成分。如:

That day is unforgettable.

S: 明白了!

那those days 和in those days区别也一样吧?

T: 对。重新总结一下:

一般情况下,时间状语前不用介词的五种情况:

1.today, yesterday, tomorrow 或后加 morning, afternoon, evening 时;

2.this, that, these, those构成的时间短语前;

3. last, next构成的时间短语前;

4. every, each, all, some, any构成的时间短语前;

5. “for+段时间”在肯定句中,for有时可省。

注意:说一般情况,是因为也有例外。

比如:during last Summer

within the next few days

(请细心体会介词存在的意义)

S: 就是说话人特别强调某一时间时,可加上适当的介词,来表达某种情感态度。

T: 理解得很透彻哦!

练一练:汉译英

1.在昨晚有一场球赛。

2.我在这里住了十年。

3.下次早点来。

4.他每天早读。

5.昨天妈妈忙了一整天。

S:答案:

1. There was a football match

last night/yesterday evening.

2. I lived here(for)ten years.

3. Come earlier next time.

4.He does morning reading every day.

5.Yesterday Mom was busy the whole day.

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