litter whenever possible(任何可能的时候)．
(3)The director was fully convinced that this moving story，if adapted for television，would be a hit.(补全句中的省略成分)
→The director was fully convinced that this moving story，if it was adapted for television，would be a hit.
She and her family hid away for nearly twenty-five months before they were discovered.她与家人躲藏了二十五个月后才被发现。 句型：before引导时间状语从句
(1)before引导时间状语从句时，翻译比较灵活，可译为“在……之前；……之后才……；(不久)就……；还没来得及就……”等意义。 (2)含before的常用句式： before sb.knew it不知不觉就…… It won’t be long before...不久就……(before从句用一般现在时) It will be＋一段时间＋before...过若干时间才……(before从句用一般现在时) It wasn’t...before...没过多长时间就……(before从句用一般过去时) It was...before...过了多长时间才……(before从句用一般过去时) [写出下列句子中before的汉语意义]
(1)My room is a mess，but I needn’t clean it before I go out tonight. I can do it in the morning.
(2017·天津)在……之前
(2)It will be five years before we meet again.……之后才……
(3)It will not be long before the despot(暴君) comes to his end.(不久)就…… (4)He took the bad news out of his mouth before I could stop him.还没来得及就…… (5)Before I knew it an hour had passed and it was time to move onto lunch.(2018·全国Ⅲ) 不知不觉一个小时就过去了，到了吃午饭的时间。
[名师指津] before，after若后接句子，则它们是连词；若后不接句子，则是介词，此时如果它们后接动词，则要用动名词形式。
At the age of 21 Prof Hawking was given only a few years to live after being diagnosed with a rare form of motor neurone disease(运动神经元病)．
2019届高考英语(人教版)一轮复习必修一unit 1 friendship单元知识点学案
