2021​高考as if 考点总结

1.弄清as if所引导的句式结构

(1)as if可引导表语从句,常与as,look,seem,feel,taste,smell,sound等系动词连用。如:

  It looks/seems as if they’re looking for something.

  他们看起来好像在找什么东西。

  I couldn’t move my legs.It was as if they had been stuck to the floor.

  我无法挪动我的两条腿,就好像他们钉在地板上似的。

(2)as if可引导方式状语从句,表示“事情是怎么做的”或“一个人或事物是什么样的”。如:

  You answered the question as if you did not know this rule.

  你回答问题好像不知道这条规则似的。

  The two strangers talked as if they had been friends for years.

  两位陌生人交谈着像是多年的朋友。

2.掌握as if从句所用的语气

as if引导的从句若表示的情况是事实或具有很大可能性时,通常用陈述语气;若表示的是非真实情况,而是主观想象或夸大性的比喻,谓语动词则要用虚拟语气。当从句表示与现在的事实相反,谓语动词用一般过去时;表示与过去事实相反要用“had+过去分词”;表示与将来情况可能相反的则用“would/could/might+动词原形”。其形式视需要表达的意义而定,不受主句动词时态的影响。如:

  He is a happy-go-lucky man as if he has no worries and cares in the world.(陈述语气)

  他是一个很快活的人,似乎无忧无虑。

  When a pencil is partly in a glass of water,it looks as if it were broken.

  (与现在事实相反的表语从句)

  当一支铅笔部分地放在一杯水中时,它看上去像是折断了。

  Every thing in my childhood crowded in my mind as if they had just happened.

  (与过去事实相反的方式状语从句)

  童年发生的一切都挤在我的脑海中,仿佛就像刚刚发生的一样。

  She cried as if her heart could be broken.(与将来情况可能相反的方式状语从句)

  她哭得好像心都要碎了。

3.把握as if引导的同一从句所用的时态不同,意思也不同。

The boss speaks aloud as if he is angry.

老板说话声音很高,好像真的生气了。(他可能真的生气了)

The boss speaks aloud as if he were angry.

老板说话声音很高,仿佛生气了。(其实他并没有生气,可能他说话就是这个特点)

4.注意as if引导的方式状语从句的省略

as if作从属连词引导的方式状语从句部分,常用省略形式。如:

  (1)as if后接不定式

  He shook his head as if to say,“Don’t trust her”.

  他摇了摇头,好像是说“不要相信她”。

  (2)as if后接现在分词

  He stared at the girl as if seeing her for the first time.

  他目不转睛地盯着那女孩,好像第一次看见她。

  (3)as if后接过去分词

  The football player is rolling on the ground as if hurt badly in the leg.

  那个足球运动员在地上滚来滚去,好像腿部受重伤。

  (4)as if后接名词

  He acts as if a fool.

  他的行为举止好像是个傻子。

  (5)as if后接形容词

  She sat in the corner of the room without a word as if angry with somebody.

  她坐在房间的拐角处,一言不发,似乎在跟谁生气。

  (6)as if后接副词

  She talked to the stranger while walking as if absent-mindedly.

  她边走边应酬那位陌生人,好像心不在焉。

  (7)as if后接介词短语

  He opened the drawer as if in search of some thing important.

  他打开抽屉,仿佛要找一件什么重要的东西。

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