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初二if引导的条件《练:jiàn》状语从句 if引导的虚拟条件状语从句?

2025-03-25 11:04:35Health-Conditions

if引导的虚拟条件状语从句?先来看两个句子:1 I will go out tomorrow if it is fine.2 I don#30"t know if the train has arrived.句 1 中if引导的是状语从句

if引导的虚拟条件状语从句?

先来看两澳门永利个{练:gè}句子:

1 I will go out tomorrow if it is fine.

2 I don#30"t know if the train has arrived.

澳门新葡京

句 1 中if引导的(读:de)是状语从句。这个从句表示“条件”,修饰主句。整个句子的意思是“如果明天天气好,我们[繁体:們]就出去。”句 2 中if引导的是宾语从句,充当谓语动词don#30"t know的宾语。整个句子的意思是“我不知道火车是否到【pinyin:dào】了

澳门永利

虚拟澳门新葡京语气在条件状语(繁体:語)从句中的用法

1. 表示与现在事实相反《拼音:fǎn》的情况,其句型为“ if 主语 动词(繁体:詞)的过去式( be 动词用 were ),主语 would / could / might / should 动词原形”。如:

开云体育

If the weather were fine, we would go to Shanghai.

如果天气好,我们就去上海【hǎi】。(事实上天气不好)

澳门博彩

If they had time, they would / could / might go with me.

如果他们有时间,他们就《jiù》会(可能)和我一起去。

2. 表示与过去事【pinyin:shì】实相反的情况。其句型为“ if 主语 动词的过去完成式(拼音:shì),主语 would / could / should / might have 动词的过去分词”。如《rú》:

亚博体育

If I had taken his advice, I shouldn#30"t / wouldn#30"t / couldn#30"t have made such a mistake.

如果我按照他的建议去做,我一定不会(不{bù}可能)犯这样的错误。

3. 表示与将来事实可能相反的假设和结果,其句型为“ if 主语 动(繁澳门新葡京体:動)词的过去式 / should 动词原形 / were to 动词原形,主语 would / could / might / should 动词原形”。如:

直播吧

杯子摔下来会打破的。(事实上shàng 没有摔下来)

If it should rain, the crops would / could / might be saved.

假如天下雨《yǔ》,庄稼就一定(有可能)会得救。

注意:主句中的 should 只用于第一人称,但在美国英语中, should 常被 would 代替;从句中的 should 可用于各种人称。

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