小升初英语语法状语从句知识点:英语时间状语从句

2016-12-26 12:01:38来源:网络

  三、表示“一……就……”

  除as soon as外,还有三类:名词型——the moment, the minute, the second, the instant;副词型——immediately, directly, instantly;句式型——no sooner…than…, hardly/scarcely…when…。如:

  The moment I saw him I knew that there was no hope. 我一看到他,就知道没有希望了。

  I came immediately you called. 你一来电话我就来了。

  I had no sooner got home than it began to rain. 我一到家就下起雨来了。

  如果hardly, scarcely 或no sooner置于句首,句子必须用倒装结构。如:

  Hardly/Scarcely had I got home when it began to rain.

  No sooner had I got home than it began to rain.

  四、对before从句的理解

  before的本意为“在……之前”,根据具体语境还可理解为“还没来得及/还没有……就……,趁着还没……就……,不知不觉就……,……才……”等。如:

  I had not sat long before he came back. 我没坐多久他就回来了。

  He almost knocked me down before he saw me. 他几乎把我撞倒才看到我。

  Before I could get in a word, he measured me. 我还来得及插话,他就给我量好了尺寸。

  I’ll water the flowers before it gets dark. 我要趁着天还没黑把花浇好水。

  Be a pupil before you become a teacher. 先做学生,后做先生。

  Time passed quickly and three months went by before she knew it. 时间过得飞快,她不知不觉就在那里度过了三个月。

  I will die before I will betray my country. 我宁可死也不会背叛我的国家。

  五、对since从句的理解

  1. since从句的谓语动词是终止性动词照字面意思理解。如:

  I’ve been feeling down since I lost my job. 自从失去工作后,我的情绪一直处于低潮。

  2. since从句谓语动词延续性动词,且为现在完成时时,仍然按字面意思理解。如:

  She has never come to see me since I have lived in the city. 自从我住到城里,她就一直不来看我。

  3. since从句谓语动词延续性动词,且为一般过去时时,按与字面意思相反的意思理解。如:

  I have made great progress since I was ill. 我自病愈以来取得了很大的进步。

  4. since前有ever,或从句谓语动词是be且后接表示人成长过程中的某个阶段或年龄的名词、形容词时,仍然按字面意思理解。如:

  I have lived here ever since I was a child. 我从还是个孩子时就一直住在这儿。

  六、对till/until从句的理解

  1. 主句为肯定式,主句谓语动词必须为持续性动词,且该动词所表示的动作或状态一直延续到 until / till 从句所表示的时间为止,可译作“(直)到……”。如:

  He waited until/till I returned. 他一直等到我回来。

  2. 主句为否定式(包括含 no, nobody, nothing, never, hardly, little 等否定词的肯定句),若主句谓语动词是非持续性动词,则该动词所表示的动作在 until / till 从句表示的时间开始发生。一般先译从句“直到……”,后译主句,not 译成“才”,即“直到……才……”。如:

  His mother didn’t leave until/till he was asleep. 直到他睡着了,他母亲才离开。

  Nobody can leave until/till the meeting is over. 直到散会才能离开。

  3. 主句为否定式,若主句谓语动词是持续性动词,则须根据上下文去理解until/till从句的含义,一般译为“直到……才……”或“没有到……”。如:

  He didn’t wait until/till I returned. 他没有等到我回来。

  She didn’t sleep until/till I returned. 她直到我回来才睡着。

  (来源:新东方在线论坛)

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