什么是陈述句语序,if引导着条件状语从句.主句是什么,从句用什么?

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• 1：how can he get good grades____he won't study?我填AS,想用作原因,而答案给的WHEN,我猜想可能是用做既然表条件,我觉得这样的话答案不如我的准确,还是有别的原因?2：Three years had passed _____ i knew iti:since;answer:before 3:Nancy enjoyed herself so much ____ she visited her friends in Syeney last year用WHEN 还是 WHERE?有时整个从句修饰主句既可以用作表示时间状又可以表地点状,连词怎么样用?4：MY ENGLISHI teacher 'humar was ____ make every student burst into laughterans:such as to；SUCH AS还能连用吗?我只知道结果状有SO THAT,SO.THAT,SUCH.THAT,请问SUCH AS 是什么用法?5：经
• 英语的从句,while用法.1.我上英语课时,老师说：在when,while,as等引导词引导的时间状语从句中,如果主句主语和从句主语都发生在过去,持续性动词用过去进行时,短暂性动词用一般过去时.但我今天发现一道题目说,while只能引导延续性动词.请问这个怎么理解啊 2.当定语从句的从句中,缺少的是状语时,怎么区分这是定语从句还是同位语从句啊,比如说Life is a long race where we compete with others to go beyond ourselves中和I still remember the day when I first came to Beijing.为什么不能看成同位语从句,而用that引导啊.
• 如果主句是一般现在时,because引导的原因状语从句应该是什么时态?
• If you find a better girl,please don't hurt her again.这是什么句型,是条件状语从句吗?如果是的话 我记得if引导的是主将从现的句型,为什么后面用的是命令的
• because 引导的原因状语从句是否要考虑与主句的先后关系而确定时态?（认真阅读说明）我们学校里老师说原因状语从句是无需考虑与主句的关系的（是什么时候发生就用什么时态）,但后来学了现在完成时中,包括百度百科里的介绍,很多题目等,都阐明了：原因状语从句中即便是过去发生的,却要用过去完成时比如：She came to the classroom because she had left book here.又如：The farmers were happy because they had got a big harvest（注明：这两句都是我在网上和语法书上看到的,绝对真实）但是,在做题时,又遇到了很多虽然从句中虽然从句中的动词发生在主语动词之前,却要用一般过去式的状况：如：SHE WOKE UP IN THE MID NIGHT BECAUSE SHE HAD A BAD DREAM(这里没用“had had”）HE DIDN'T COME TO SCHOOL BECAUSE HE HAD A
• I really don't know ____I had my pocket picked.A.it was wher that B .where it was that 为什么要先B啊?有哪位朋友能详细地分析一下句中的成份?where 引导的是一个宾语从句,宾从用陈述句语序,那that 要是强调句,那应该是it was where that ,不就成了选A了吗,难道where
• on the day that you were born 是什么结构?on the day that you were born, your mother died. 这句里面,“that you were born “ 是什么结构, 是一个定语从句么?我理解的是 ： that you were born 是定语从句也就是， 主句是， on the day, your mother died.但是如果这样的话， 那么先行词 day 在主句中做什么成分呢？ 时间状语？ 定语从句的先行词可以是时间状语么？那么用when 也可以么？ on the day when you were born, your mother died.
• 【You will forgive me if I have given you pain.】if引导的条件状语从句不是应该主将从现吗,为什么这句话是用“have given”而不用“give”?
• 初二英语的时间状语从句（高手进）用when引导的时间状语从句,主句和从句的时态分别是什么．?用while引导的时间状语从句,主句和从句的时态分别是什么．?两个同时用的时候,它们的时态分别是什么啊．?两个同时用的意思是- -什么时候两个都可以用,就是用when也可以用while也可以的那种情况．．
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