can't help doing與can't help to
請(qǐng)看下面一道題:She can’t help _________ the house because she’s busy making a cake.A. to clean???????????????? B. cleaning????????????? C. cleaned??????????????? D. being cleaned【分析】此題容易誤選B,簡(jiǎn)單地套用 can’t help doing sth 這一結(jié)構(gòu)。其實(shí)此題應(yīng)選A,注意以下兩個(gè)結(jié)構(gòu)均可用,只是含義不同: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=不能幫助做某事。前者為引申用法,一般辭書(shū)均作為固定搭配列出來(lái),許多老師對(duì)此也比較強(qiáng)調(diào),從而也就引起了同學(xué)們的足夠重視,并因此形成了思維定勢(shì);而后者為 help 表示“幫助”時(shí)的本義用法,因同學(xué)們平時(shí)對(duì)此沒(méi)引起注意,一看到上面的試題就馬上聯(lián)想到 can’t help doing sth 時(shí)的本義用法,因同學(xué)們平時(shí)對(duì)此沒(méi)引起注意,一看到上面的試題就馬上聯(lián)想到 can’t help doing這一結(jié)構(gòu),從而誤選了B。請(qǐng)看下面一例: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
此題應(yīng)選C(注意根據(jù)句意要用被動(dòng)形式)。
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