2. can\'t help后一定要接动名词吗
She can\'t help _____ the house because she\'s busy making a cake.
A. to clean B. cleaning C. cleaned D. being cleaned
此题容易误选B,简单地套用can\'t help doing sth这一结构。其实此题应选A,注意以下两个结构均可用,但是含义不同:can\'t help doing sth =禁不住做某事,情不自禁地做某事;can\'t help to do sth =不能帮助做某事。前者为引申用法,一般辞书均将其作为固定搭配列出来,许多老师对此也比较强调,从而就使同学们形成了思维定势;而后者为help表示帮助时的本义用法,因同学们平时对此不大注意,一看到上面的试题马上就联想到can\'t help doing sth这一结构,从而误选了B。
While shopping, people sometimes can\'t help _____ into buying something they don\'t really need.
A. to persuade B. persuading C. being persuaded D. be persuaded
此题应选C,句中的can\'t help意为禁不住(注意根据句意用被动形式)。
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