8) 分词前连词的使用
分词前连词的使用是为了使分词的作用更加明了，使考生更加准确地理解试题。考查有两种情况
(1)根据连词选择适当的分词形式
Michael used to look hurt and surprised when ______.(1995.1)
A. scolding B. to scold C. having scolded D. scolded
when的使用说明非谓语动词做时间状语，答案不可能是B，从scold与句子主语间的逻辑关系来看，应该是动宾关系，答案应该是D。
(2)根据状语的功能选择不同的连词
Careful surveys have indicated that as many as 50 percent of
patient do not take drugs ___ directed.(1996.1)
A. like B. so C. which D. as
由上下文的意思可以看出，分词所做的是方式状语，连词应该是as。
9) 非谓语动词的体
非谓语动词中分词的体有完成体和进行体，即having done, having been done和being done，完成体只用于做状语的场合，而进行体可以用于做定语和做补足语。
动名词的体也有having done, having been done和 being done的结构主要用于做主语和宾语的场合。
不定式的体有to be doing 和to have done，主要用于pretend, happen, seem, appear, be said to等结构中。如：
① The man in the corner confessed to _____ a lie to the manager
of the company.(1997.6)
A. have told B. be told C. being told D. having told
having told在句中做介词宾语，表示动作发生在谓语动词之前。
② I'd rather read than watch television; the programs seem ____
all the time.(1997.1)
A. to get worse B. to be getting worse
C. to have got worse D. getting worse
从all the time的使用可以推断get worse是一个渐变过程，所以用不定式的进行体。
③ The speech _____ a lively discussion started.(1995.1)
A. being delivered B. was delivered
C. be delivered D. having been delivered
该结构属于独立主格结构做时间状语，状语分词所表示的动作发生在谓语动词之前，所以应该用完成体，答案为D。
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