(整理版高中英语)牛津英语模块四Unit2重点句型在线.doc
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1、牛津英语模块四Unit 2重点句型在线 句型I“sb + be + v-ed + to have done sth 【要点提示】在该结构中,谓语动词think, suppose, consider, delight, say等常用被动结构,其后的不定式完成式to have done表示其动作在谓语动作之前发生。不定式假设用进行式to be doing,那么表示谓语动作发生正在进行,而一般式to do表示习惯性动作或在谓语动作之后发生。如: He is thought to know the secret. He is thought to be doing an important resea
2、rch. He is thought to have traveled to Beijing once.【课本例句】 I am delighted to have been invited to your school(P22) 句型II“no matter +疑问词(引导让步状语从句) 【要点提示】“no matter+疑问词可以引导让步状语从句,位置较灵活,它可以在主句前或主句之后,而且可以用“疑问词+ever来替换。但反过来需要视情况而定:A当“疑问词+ever引导让步状语从句中可换成“no matter+疑问词。B当“疑问词+ever引导名词性从句时,那么不能转换成“no matter
3、+疑问词。 We must finish the work today, no matter how hard it is. (= however hard it is) Whatever he does intends to help you. (不能与no matter what 来替换)【课本例句】Today, athletes from around the world can take part, no matter what language they speak. (P22)句型III“表示位置/方向的介词短语或副词+动词+主语 【要点提示】当表示位置或方向的介词短语或副词置于句
4、首且句子的主语为名词时,句子常采取倒装语序。这样的介词短语和副词如:among them; on top of the hill; off the coast; up; down; away; in; out等。如: On top of the mountain stands an old pine tree. Out rushed the boy as he heard the noise. 【课本例句】 Below are pictures of a few popular sports. (P21)and among them are many well-known athletes.
5、(P22)句型IV“主语+suggest + sb+ do sth【要点提示】该句型实际上是suggest后接宾语从句的省略表达,即“主语+suggest + (that) sb+(should) do sth。动词suggest表示“建议时通常有两种表达方式:A后接名词或动名词作宾语suggest (doing) sth。 后接动名词时可以带自己的逻辑主语。即:suggest ones doing sth, 口语里也可将所有格ones用宾格one来替换。 B后接宾语从句时应用虚拟语气“should+动词原形。should可以省略,但sb必须是主格。He suggests my/me taki
6、ng another try. = He suggests (that) I (should) take another try. 【课本例句】I suggest you join a swimming club and learn from a coach (P31)I suggest that you run the 100-metre race. (P 36)句型V. “主语+情态动词+完成式【要点提示】该结构主要用于已发生动作的判断、猜想或评论。常见用法:must have done sth “一定做过某事。Must用于该结构中时只有肯定式,不能用于否认和疑问。其对应的否认式为cant
7、 / couldnt have done“不可能做过某事。此外,should/ought to have done sth表示“本应当做某事而实际未做;shouldnt/ oughtnt to have done sth表示“本不该做某事而实际上做了;may/ might have done表法“可能做过某事;neednt have done sth表示“不必做某事而实际上做了。学习和使用该结构时学生易犯错误表现为:A该用本结构时误用“主语+情态动词的过去式+动词原形来代替。 B混淆各“情态动词+完成式之间的区别。C构成反意疑问句时仍用陈述句中的情态动词。 He couldnt have at
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