■请看下面的题： How happy we are! The holiday we have been looking forward _______ at last. A. to has come B. to have comehttp://yingyu.chazidian.com C. to having come D. has come 【分析】其实正确答案是A。大家知道，短语 look forward to意为“盼望”，其中的 to 是介词，而不是不定式符号，所以后接动词要用动名词，许多同学据此便选择了C。但问题是，句中介词 to 的宾语不是have come，而是the holiday。正解的句子分析是：the holiday为句子主语，we have been looking forward to 是修饰主语的定语从句(介词 to 的宾语是引导该定语从句的关系代词 that，被省略)，has come 是句子谓语。 请做以下类似试题： ■The man you referred to _____ just now. A. comes B. come C. coming D. came 【分析】答案选 D，句子主语为 the man，you referred to 为修饰 the man 的定语从句，空白处填 came，为句子谓语。 ■The theory he sticks to ______ to be of no use in our studies. A. proves B. prove C. proving D. be proved 【分析】答案选 A，he sticks to 是修饰主语 the theory 的定语从句，句子的基本结构为 The theory proves to be of no use in our studies. ■The work he devoted his time to _____ worth praising. A. was B. be C. being D. been 【分析】答案选 A，he devoted his time to 是修饰主语 the work 的定语从句。句子的基本结构为 The work was worth praising. ■I think this is the very work that we must finish ____ her. A. to help B. help C. helping D. helped 【分析】答案是 A。句中空格处填的动词help 并不是 finish 的宾语，正确的句子分析是：that I must finish 是修饰名词 the very work 的定语从句，finish 的宾语是引导该定语从句的关系代词 that，其后的不定式 to help her 是目的状语。 ■Which do you enjoy ____ your weekend, swimming or fishing? A. spending B. being spent C. spend D. to spend 【分析】答案选 D。enjoy 的宾语是句首的疑问词 which，不是其后的动词 spending。此题中的 to spend… 用作目的状语。
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■What the boy enjoys _____ to have a room of his own. A. being B. to be C. is D. are 【分析】答案选C，而不选A。what the boy enjoys 是主语从句，空格处填的 is 为谓语动词。 ■Nothing that he suggested _____ to be of any use. A. prove B. proved C. proving D. to prove 【分析】答案选B，而不选C。句子主语是 nothing，that he suggested 是修饰主语的定语从句，suggested 的宾语是引导该定语从句的关系代词 that，而不是其后的动词；句子谓语是 proved。全句意为“他建议的情况没有一条是有用的。” ■The old house we paid a visit _____ at the top of the hill. A. standing B. to stand C. to standing D. to stands 【分析】答案选D。we paid a visit to 是修饰the old house 的定语从句，句中的stands 为主句谓语。 ■The life he is now used _____ quite different from ours. A. is B. to be C. to being D. to is 【分析】答案选D。句中he is now used to 是修饰 the life 的定语从句，to 后的动词 is 是句子的谓语，句意为“他现在习惯的这种生活与我们的生活很不相同”。 ■The work he paid special attention _____ to nothing. A. came B. to come C. to coming D. to came 【分析】答案选D。句中的he paid special attention to 是修饰 the work 的定语从句，to 后的动词 came 是句子的谓语，句意为“他特别关注的那项工作泡汤了”。 ■The result what he said would lead _____ his regret in the future. A. is B. to be C. to being D. to was 【分析】答案选D。句中what he said would lead to 是修饰 the result 的定语从句，to 后的动词 was 是句子的谓语，句意为“他所说的话将导致的结果是他今后的后悔”。