Question

-I’m afraid the meeting has begun. -Don’t worry. It ___ until the bell ____.

A. doesn’t begin ;rings B. won’t begin ; will ring

C. won’t begin ;rings D. doesn’t begin ;will ring

Answer 1

C

【解析】

试题分析：句意：——我担心会议已经开始了。——别担心。它直到铃响了才会开始。not ... until... “直到……才……”，根据“主将从现”的原则，until引导的时间状语从句用一般现在时，主句用一般现在时。故选C。

考点：考查一般将来时的用法。

考点分析： 考点1：状语从句 状语从句：在句子中起状语作用的从句称为状语从句。有的状语从句可以在主句前（其后常用逗号与主句隔开），有的状语从句可以在主句后（其前不用逗号与主句隔开），有的既可以在主句前又可以在主句后。状语从句通常由一个连词或由一个起连词作用的词组引导。状语从句可以表示时间、地点、原因、目的、结果、条件、方式、让步和比较9种意义。中考主要考查时间状语从句和条件状语从句中的时态问题。也就是我们所说的“主将从现”，主要以单选形式为主，占1-2分。
（一）时间状语从句：由when, while, before, after, since, as soon as, till / until引导的从句
1）when与while
  1)I’ll tell her the good news _____he comes back.
  2)Aunt Wang came in while we were watching TV
3)since:自从……以来(since从句常用一般过去时)
注意主句通常用现在完成时，但当主句表示一种状态，用一般现在时
  1)He has lived there since he came to China
  2)It is two years since her mother died.
（二）条件状语从句：由if (如果)引导的从句
I will go to the park if it ________ (not rain) tomorrow.
注意：条件状语从句与以下句型的转换
1）祈使句，and (then , or)+简单句
 = If you … , you …
eg.1)Use your head, then you’ll find a way.
 =If you use your head, you’ll find a way
  2)Hurry up, or you’ll be late.
 =If you don’t hurry, you’ll be late.
2)without与条件句的转化
eg. Man can’t live without water.
 =Man can’t live if there is no water.
注意以上两种状语从句的时态
主句 时间、条件句
1）一般将来时 2）祈使句 3）情态动词原形 一般现在时
一般过去时 一般过去时
但since从句例外，应与现在完成时连用。
eg.1)I’ll call you as soon as he ______ (come) back.
  2)He won’t go to bed until he _________ (finish) his homework.
 3)I’ll help you if I _____ (be) free tomorrow
 4)I ___________ (live) here since I came to China.
（三）原因状语从句：由because, since , for , as引导的从句
eg. He didn’t go to school because he was ill.
注意：1)对because引导的从句提问用why
      2)因为(because), 所以(so)不能连用
eg. Because he was (A) ill, so (B) he didn’t (C) go to school (D) yesterday.        ________
（四）结果状语从句：由so… that引导的从句（so后接形、副原级）
eg. He ran (A) so faster (B) that I couldn’t catch up with (C) him.           ________
注意：1) “so… that +否定句”与“too… to”的替换
eg.1)He is so young that he can’t go to school.
= He is too young to go to school(主、从句主语相同)
2)He ran so fast that we couldn’t catch up with him.
= He ran too fast for us to catch up with. (主、从句主语不同)
3)The box is so heavy that I can’t carry it
= The box is too heavy for me to carry.(注意carry后省去宾语it)
2）“so… that +从句”与“enough to”的替换
eg.1)He’s so strong that he can carry the box.
= He’s strong enough to carry the box.
  2)The question is so easy that I can answer it
=The question is easy enough for me to answer
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