if引导从句还是主句

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• 定语从句中time做先行词,指时间段,时刻,次数时,后面的引导词分别是什么?分别举例说明.“time”这个词做先行词，用介词+which引导，介词的选用，举例说明
• 先行词是the way,place,time,reason关系副、代词何时可省?为什么这句要加where:We've all used thermometers to measure temperature but sometimes we need to measure temperature in places WHERE you can't put a thermometer.语法说,先行词是the way,表示方式,可用that（可省）或in which来引导一个定语从句.如果先行词是时 间或原因,也可用that（可省）或when或why来引导定语从句.如：（1）This was the reason that/why he was late yesterday.（2）This is the last time that I shall give you a lesson.这句是道改错题,还要加上where 是什么原因?没表达清楚，我的意思是that代替关系副词，那么我这道改错题为何还要加
• as long as与as soon as的区别我在仁爱英语时报上见到了这样一个题目弄不明白请大家帮忙看一下:____you have a chance to study in a foreign country, just take it.A.As soon as B.As good as C.As well as D.As long as我觉的D有道理,引导条件状语从句,"只要".可我又觉的A也有道理,引导时间状语从句,"一就"到底是哪一个,他们之间有区别吗?名位朋友，我主要是想知道为什么？As soon as不行！能给个理由吗？
• It was the first time in a year and a half that I'd seen the night face to face.主句是一般过去式,从句是过去完成时 主从句所用时态不一致表示什么呢?看见夜晚比“第一次”发生的时间更前?这是一个什么从句呢?
• 定语从句中,当the day当先行词时,从句用什么引导词?
• He tried to remember in what year he had first heard mention of Big Brother.句中what引导的是什么从句?what在从句中做什么成分?
• You must try to hold the tool as I do.这里的as引导的方式状语从句完整吗?（如果不完整是不是省略现象类似的还有you should do as I told you .
• 此句成分分析to find 在句中是宾语还是宾补了?从句中to be 是什么成分了?they were amazed to find that the goddess turned out to be a very modern-looking woman.to find 是做谓语吗？
• The bund is where old Shanghai meets new Shanghai.where引导什么从句?
• 九下英语问题一.Every father and mother 谓语动词用三单还是原型?（答案是三单 我个人感觉应该是原型）二.______(compare）with life in the past,life now is more comfortable.（答案给的是Compare,但是Reading中的原句（内容不同 句式相同）用的是compared啊 这两个通用么?）三.I don't know ____iphone 4SA.that she is so crazy about B.why she is so crazy about C.how she is so crazy about但是A为什么不对 难道I don't know后面不能加确定的从句?那英语“抱歉 我不知道你是XXX”还不能说了?）
• if如果是否 主句从句if当如果,是否时主句从句应该各为什么时态
• 为什么if引导的从句用现在时,而主句用将来时