Helen had left her keys in the office so she had to wait until her husband ___home.为什么填camewould come 和comes为什么不对 until是不是前后时态要一致呢如果只有后半句话she had to wait until her husband ___home.那么应该

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Helen had left her keys in the office so she had to wait until her husband ___home.为什么填camewould come 和comes为什么不对 until是不是前后时态要一致呢如果只有后半句话she had to wait until her husband ___home.那么应该
Helen had left her keys in the office so she had to wait until her husband ___home.为什么填came
would come 和comes为什么不对 until是不是前后时态要一致呢
如果只有后半句话she had to wait until her husband ___home.那么应该填什么 也是came吗

Helen had left her keys in the office so she had to wait until her husband ___home.为什么填camewould come 和comes为什么不对 until是不是前后时态要一致呢如果只有后半句话she had to wait until her husband ___home.那么应该
这里要选的时态,主要看she had to wait 的时态,这里用了一般过去时,所以后半句也用一般过去时.同样如果只有后半句的话,也应用came.一般情况下 由until引出的重句,前后都是一般现在时或都一般过去时用的较多,但也可以是前半名是将来时后半句是一般现在时；也可以是前半句是一般现在时,后半句是现在完成时.例1：First write them down in your exercise books, then practice them orally until you have learned all of them by heart.例2：I will stay with you until your lesson begins

因为前面是had left 过去完成时态（过去的过去），所以后面就应该用过去式came
she had to wait until her husband ___home. 也是came

就是选CAME，因为你要分析句子，she had to wait ，，until
你把它啊翻译一下吧她不得不等 直到丈夫回家，HAD是过去式，而用COMES则HAVE要改HAS。所以要一致，
问题补充：是啊

Helen _____ her keys in the office so she had to wait until her husband _____ home.A.had left; comes B.left; had come C.had left; came D.had left; would come Helen _______ her keys in the office so she had to wait until her husband ________ home.a.has left;comes b.left;had come c.had left;came d.had left;would come要有解析, 10.Helen ___ her key in the office so she had to wait until her husband___ home.A.has left,comes B.left,had comeC.had left,came D.had left,would come详细解析为什么选C Helen ( ) her keys in the office so she had to wait until her husban ( ) home.A.has left,comes B.left; had come C.had left; came D.had left; would come答案是选C把,为什么 英语15.Helen _______ her keys in the office so she had to wait until her husband ________ home.15.Helen _______ her keys in the office so she had to wait until her husband ________ home.a.has left;comes b.left;had come c.had left;came d.had left;wo 一道英语过去完成时题~Helen ________ her key in the office so she had to wait until her husband _______ home.A.has left; comes B.left; had come C.had left; came D.had left; would come第二个空填什么时态比较正确?为什么第二个 1.I won't lend you the book until I ( ) reading it.A.will finish B.have finished C.shall finished D.will have finished2.Helen ( ) her keys in the room so she had to wait until her husband ( ) home.A.has left,come B.left,had come C.had left,came D.had 英语改错并说明原因Helen left her key in the office,so she had to wait until her husband come home.改成coming不行?util后面接的是从句?从哪可以看出是个从句? Helen had left her keys in the office so she had to wait until her husband ___home.为什么填camewould come 和comes为什么不对 until是不是前后时态要一致呢如果只有后半句话she had to wait until her husband ___home.那么应该 she realized she had left her backpack at 16.Mrs Smith----- her keys in the office so she had to wait until her husband ------home.A has left;comes B left;had comeC had left;would come D had left;came Claire had her luggage checked before her plane left中主句为什么不用过去完成时 Helen___her keys in the office,so she had to wait until her husband___home.a.has left,comeb.left,had come c.had left,come d.had left,would come帮帮忙啊~~~解释一下~~~ Helen ,name ,her ,first ,is Helen told me that she had some problems ( ) her English learning.A on B for C in D with It is nine o'clock.Helen ____ her maths lesson.A.had B.have C.having D.is having since打头的句子要用什么时态?列如：Sincet helen is angry ,weA had better lleaving her alone B should leave her alone C might as well leave her alone D had rather leave her alone 动词时态的Allen ____ her keys in the office.So she had to wait until herhusband______.A.has left;comes B.left;cameC.had left;came D.had left;would come选哪个,为什么,