請看下面一道題：This is the very work that I must finish _________ her.
A. to help???????????????? B. help??????????????????? C. helping????????????????? D. helped

有的同學一看到動詞 finish，便斷定其后空格肯定填動名詞，即斷定此題答案選C。其實錯了，正確答案應是 A。不錯，finish 后接動詞作賓語時，該動詞要用動名詞，而不用不定式，但是本句空格處填的動詞help 并不是 finish 的賓語，正確的句子分析是：that I must finish 是修飾名詞 the very work 的定語從句，finish 的賓語是引導該定語從句的關系代詞 that，其后的不定式 to help her 是目的狀語。全句意為“為了幫助她，這就是我們必須要完成的工作?！闭堅倏搭愃评}：

(1) What the children enjoy _________ to play outside.
A. being???????????????????? B. to be??????????????????? C. is????????????????????????? D. are
答案選C，而不選A。what the children enjoy 是主語從句，空格處填的 is 為謂語動詞。

(2) What else would you mind _________ money?
A. make????????????????????? B. making???????????????? C. to make???????????????? D. made
答案選C，而不選B。動詞mind 的賓語是句首的疑問詞 what，而不是其后的動詞 make；不定式用作目的狀語。

(3) Nothing that he suggested _________ useful.
A. prove???????????????????? B. proved?????????????????? C. proving???????????????? D. to prove
答案選B，而不選C。句子主語是 nothing；that he suggested 是修飾主語的定語從句，suggested 的賓語是引導該定語從句的關系代詞 that，而不是其后的動詞；句子謂語是 proved。全句意為“他建議的情況沒有一條是有用的?！?/p>

?

?