七、考查非谓语动词用作宾语补足语

原则上，所有的非谓语动词形式均可用作宾语补足语，其区别是：不定式表未来，现在分词表进行，过去分词表完成和被动。如：

1. I couldn’t do my homework with all that noise_____.

A. going on B. goes on C. went on D. to go on

分析：答案选A。作with的宾语的补足语要用非谓语动词，排除选项B和C;与谓语动作同时发生用现在分词作宾语补足语，排除表示将来的不定式选项D。

2. You should understand the traffic rule by now. You’ve had it _____often enough

A. explaining B. to explain C. explain D. explained

分析：答案选D。宾语it与explain是被动关系，用过去分词作宾补，have sth done意为“请人做某事”。

八、考查非谓语动词的逻辑主语问题

按照英语习惯，非谓语动词的逻辑主语应与句子一致，否则就应调整句子结构。如：

While watching television, _____.

A. the door bell rang B. the doorbell rings C. we heard the doorbell ring D. we heard the doorbell rings

分析：答案选C。因为watching的逻辑主语一定是we，排除选项A和B;又因在hear后作宾语补足语的是省略了to的不定式，所以选项D中的rings是错误的。

九、考查非谓语动词用作主语的问题

原则上说，动词用作主语，只能是不定式或动名词，不能是分词形式。这类考题命题还往往用动词原形作为干扰项进行考查，同学们做题需引起注意。如：

It’s necessary to be prepared for a job interview; _____the answers ready will be of great help.

A. To have had B. Having had C. Have D. Having

分析：答案选D。动名词短语用作主语。

十、考查“(be +) 过去分词+介词”结构

有一类“be+过去分词+介词”结构，如be interested in, be worried about, be lost in, be dressed in 等，也往往是命题的热点。如：

1. _____ in the mountains for a week, the two students were finally saved by the local police.

A. Having lost B. Lost C. Being lost D. Losing

分析：答案选 B。因表示“迷路于”是lose oneself in，题中没有oneself, 所以the two students与lose是被动关系，应该用过去分词作状语。

2. _____ in a white uniform, he looks more like a cook than a doctor.

A. Dressed B. To dress C. Dressing D. Having dressed

分析：答案选 A。由dress的宾语一定是人或oneself可知，dress与he是动宾关系，即he与dress是被动关系，要用过去分词作状语，Dressed in …=As he is dressed in …

十一、非谓语动词的综合考查

有时命题者会将多个知识点综合起来进行考查，如在考查被动式的同时兼考完成式，在考查不定式的同时兼考分词，等等。如：

1. I don’t want _____ like I’m speaking ill of anybody, but the manager’s plan is unfair.

A. to sound B. to be sounded C. sounding D. to have sounded

分析：答案选 A。表示“想要做某事”want后只能接to do，排除选项C;sound like中sound是系动词， 属不及物动词，不能用于被动语态，排除选项B;sound 发生在want后，故不用完成式，排除选项D。

2. “Is Bob still performing?” “I’m afraid not. He is said _____ the stage already as he has become an official.”

A. to have left B. to leave C. to have been left D. to be left

分析：答案选 A。因he与leave是主动关系，不用被动式，排除选项C和D;由already可知，要用完成式。

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