2022下半年大学英语四级语法知识【三篇】

【#四六级考试# 导语】成功的花儿，其间浸透了奋斗的泪水和汗水。然而，用泪水和汗水就可以实现一切的美好,以下是©文档大全网为大家精心整理的内容，欢迎大家阅读。

1.2022下半年大学英语四级语法知识

　　感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do　 表示动作的完整性，真实性;+doing 表示动作的连续性，进行性

　　I saw him work in the garden yesterday.

　　昨天我看见他在花园里干活了。(强调"我看见了"这个事实)

　　I saw him working in the garden yesterday.(强调"我见他正干活"这个动作)

　　昨天我见他正在花园里干活。

　　典型例题

　　1)They knew her very well. They had seen her ___ up from childhood.

　　A. grow　 B. grew　 C. was growing　 D. to grow

　　答案：A。因题意为，他们看着她长大，因此强调的是成长的过程，而非正在长的动作，因此用see sb do sth 的句型。

　　2)The missing boy was last seen ___ near the river.

　　A. playing　 B. to be playing　　C. play　　D. to play

　　答案A. 本题强调其动作，正在河边玩，应此用see sb. doing sth句型。

2.2022下半年大学英语四级语法知识

　　有时为使分词短语与主句关系更清楚，可在分词前加连词。 连词有： when，while，if though，after, before, as.　但分词的主语和主句的主语必须为同一个，如：

　　While waiting there, he saw two pretty girls come out of the building.

　　waiting 和saw 的主语相同。

3.2022下半年大学英语四级语法知识

　　As I didn't receive any letter from him, I gave him a call.

　　-> Not receiving any letter from him, I gave him a call.

　　由于没有收到他的信，我给他打了电话。

　　If more attention was given, the trees could have grown better.

　　-> Given more attention，the trees could have grown better.

　　假如多给些照顾，那些树会长得更好。

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