【2014届高三一轮复习英语精品资料(新课标专用)Book4 Unit4 Word版含解析](7)

(2)如果as if/though引导的从句所表示的内容与事实相符，就要使用陈述语气。

【活学活用】

(1)He talks about Hong Kong ________________________ there before!

他说起香港来好像他以前去过似的！

(2)It’s my birthday today.________ you didn’t know!

今天是我的生日，你好像不知道似的！

(3)It looks________you are ill.You should go to see the doctor.

A．as B．as though

C．which D．

whether

[写作句型公式]

1．主句＋unless＋从句

I will come on Monday unless you write me to the contrary.

我将于星期一来，除非你写信叫我不来。

2．祈使句，and/and then/or＋主句

One more step，and you will fall into the river.

＝Take one more step，and you will fall into the river.

＝If you take one more step，you will fall into the river.

＝Taking one more step，you will fall into the river.

如果你再往前走一步，你就会掉到河里。

3．If＋necessary/possible/important等＋主句

If necessary，I will do it as soon as possible.

如果必要，我将尽快做此事。

[日常交际用语]

37．know something back to front：to know something thoroughly

对某事了解很透彻

You can’t fool her！She knows the regulations back to front!

你骗不了她！她对这些规则一清二楚。

38．life’s too short：to say that something is too unimportant to worry about or spend time on 人生太短暂，没有必要为琐事担心或浪费时间

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