right away= right now= at once= immediately 立刻

as you know 正如你所知道的

be known as 作为……而知名as is known to all 众所周知 be known for 因……而出名

as could be expected 正如可以预料到的       it is useless doing sth 干某事是无用的

happen= take place= come about= break out 偶发   有计划      偶发     战争等爆发

句子归纳：

1. It is always calm before a storm.

2. Now, imagine there has been a big earthquake.  此句为There be 句型

3. Mice ran out of the fields looking for places to hide.  现在分词表伴随

4. It seemed that the world was at an end.

5. Water, food and electricity were hard to get.

句型：主语+ be + adj + to do   其中to do 用主动形式表示被动含义

6. All hope was not lost.     all 与not 连用表示部分否定

7. It’s never too late to learn.   活到老，学到老。

附：分词用法之  作定语

falling leaves  正在落的叶子               boiling water  正在沸腾的水

fallen leaves   已经落在地上的叶子         boiled water  开水

高一英语必修1单元知识点就为大家介绍到这里，希望对你有所帮助。

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