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while的用法知多少
while 的用法知多少?快来一起学****吧。下面我就和大家共享，来观赏一下吧。
while 的用法知多少?
今日有同学问我 while 怎么一会儿可以解释为“虽然”，一会可以 —Need I answer the question? 我需要回答那个问题吗?
—Yes, you must. /Yes, you have ,你必需回答./是的,你得回答./No, you ,不必了.
,确定回答用must,否定答语用neednt或dont have ：
—Must I do the work now? 我必需现在干这个活吗?
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—Yes, you must /have ,你必需做./No, you neednt /dont have to. 不,你现在不必做.
Not only，but also 用法小结
not only和but also是并列连词，其要接并列结构或者说平行结构。not only后面的结构与but also后面的结构要对称，比如，两者后面接的都是名词、形容词、动词、介词、短语或者都是句子。
① 连接名词、形容词、介词
1 She is not only a singer but also an actress.
她不仅是个歌手，而且是个演员。
2 Before he was six, he played not only the piano but also the violin.
六岁之前，他不仅会弹钢琴，还精通小提琴。(外研社学校英语)
3 You are not only brave, but also very beautiful.
你不但英勇而且特别漂亮。
3 Carelessness will be a disaster not only to ourselves but also to patients.
马虎大意不仅对我们自己而且对病人都是一场灾难。
② 连接动词
1 It not only disturbs others but also does great harm to people’s hearing.
不仅会打搅别人也会对听力有影响。(仁爱学校英语)
2 John not only likes English, but also speaks it very well.
约翰不仅喜爱英语，而且英语说得很好。
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3 She not only plays the piano，but also the violin.
她不仅弹钢琴，还拉小提琴。
4 Dear friends, please actively take part in after-class activities, which will not only make your school life colorful,