as if 用法归纳
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❖ e.g. I remember the whole thing as if / though it happened yesterday.
❖ The child talked to us as if he were a grown up.
2． as if 从句的语气及时态
❖ ① 当说话者认为句子所述的是真实的或极有 可能发生或存在的事实时， as if从句用陈述 语气。
as if 用法归纳
❖ 1. as if一般可由as though来代替。 ❖ 可在look, seem等系动词后引导表语从句
❖ e.g. He looked as if / though he was ill. ❖ It seems as if it is going to rain.
❖ 引导方式状语从句
❖ The girl left the room hurriedly as if (she was) angry.
❖ From time to time, Jason turned round as if (he was) searching for someone.
❖ B.表示与过去或与谈话时间为止发生的事实相反，谓 语动词用“had +过去分词”。
❖ He talked about the Great Wall as if he had been there before.
❖ The girl listened as if she had been turned to stone.
❖ 如果as if 引导的从句是“主语+系动词”结 构，可省略主语和系动词等成份，这样as if 后就只剩下名词、不定式、 形容词（短语） 或动词-ing形式等。
❖ He acts as if (he was) a fool.
❖ He paused as if (he was going) to let the sad memory pass.
❖ e.g. It sounds as if it is raining. ❖ He talks as if he is drunk.
② 当说话人认为句子所述的是不真实的或极少 有可能发生或存在的情况时， as if从句用虚拟
语气。
❖ A. 表示与现在事实相反，谓语动词用一般过去式。 ❖ You look as if you didn’t care. ❖ He talked as if he knew what had happened.
❖ C. 表示与将来事实相反， ❖ 谓语动词用“would / could / might + 动词
原形”
❖ He opened his mouth as if he would say something.
❖ It looks as if it might snBaidu Nhomakorabeaw.
3． as if从句中的省略
❖ The child talked to us as if he were a grown up.
2． as if 从句的语气及时态
❖ ① 当说话者认为句子所述的是真实的或极有 可能发生或存在的事实时， as if从句用陈述 语气。
as if 用法归纳
❖ 1. as if一般可由as though来代替。 ❖ 可在look, seem等系动词后引导表语从句
❖ e.g. He looked as if / though he was ill. ❖ It seems as if it is going to rain.
❖ 引导方式状语从句
❖ The girl left the room hurriedly as if (she was) angry.
❖ From time to time, Jason turned round as if (he was) searching for someone.
❖ B.表示与过去或与谈话时间为止发生的事实相反，谓 语动词用“had +过去分词”。
❖ He talked about the Great Wall as if he had been there before.
❖ The girl listened as if she had been turned to stone.
❖ 如果as if 引导的从句是“主语+系动词”结 构，可省略主语和系动词等成份，这样as if 后就只剩下名词、不定式、 形容词（短语） 或动词-ing形式等。
❖ He acts as if (he was) a fool.
❖ He paused as if (he was going) to let the sad memory pass.
❖ e.g. It sounds as if it is raining. ❖ He talks as if he is drunk.
② 当说话人认为句子所述的是不真实的或极少 有可能发生或存在的情况时， as if从句用虚拟
语气。
❖ A. 表示与现在事实相反，谓语动词用一般过去式。 ❖ You look as if you didn’t care. ❖ He talked as if he knew what had happened.
❖ C. 表示与将来事实相反， ❖ 谓语动词用“would / could / might + 动词
原形”
❖ He opened his mouth as if he would say something.
❖ It looks as if it might snBaidu Nhomakorabeaw.
3． as if从句中的省略