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2016届高考英语二轮秒杀高中英语重点系列：重点10 几个有趣的短语much too too much before long long before if only only if

　　重点10.几个有趣的短语much too

　　too much

　　before long

　　long before

　　if only

　　only if

　　1）much too为程度副词，修饰形容词或副词，放在所修饰的词前面。而too much可以作状语，修饰动词，也可以作定语修饰名词。

　　例句：

　　There is too much snow and ice.

　　I drank too much wine last night.

　　2）before long：不久以后，相当于soon,做状语使用。long before，很久以前，可用作状语，也可以用作连词。例句：

　　She will be back before long. It was not long before she came.

　　Before long our family moved and had to give the pet away

　　The family moved to New York long before the war broke out.

　　3）if only: 要是...就好了,其后面的句子常用虚拟语气（表示现在或将来的动作用过去式，表示过去的动作用过去完成时）。 only if:

　　conj. 只有当…(只是在...的时候)，位于句首时，其后面的主句要倒装。

　　例句：

　　I fear the coming exams. If only I could have time to review my lessons

　　If only he had been here.

　　If only one had an unlimited supply of money!

　　I can buy the house only if the money is available.

　　Only if I get a job will I have enough money to go to school.

　　练习：

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