You ______ to the meeting this afternoon if you have something important to do.
A.needn’t to comeB.don’t need to come
C.needn’t coming D.didn’t need coming
B

試題分析:句意:如果你有重要的事情要做,你不必參見(jiàn)今天下午的會(huì)議了。結(jié)合語(yǔ)境可知本句中need為行為動(dòng)詞,需要。故其否定形式要借助于助動(dòng)詞。結(jié)合語(yǔ)境可知本句描述的是客觀性動(dòng)作,故用一般現(xiàn)在時(shí)態(tài),主語(yǔ)you是第二人稱,故助動(dòng)詞用do,選B。
點(diǎn)評(píng):“need”既可以作情態(tài)動(dòng)詞,也可以作實(shí)義動(dòng)詞,但是它們的用法不同。need”作為情態(tài)動(dòng)詞的用法1、need表示“需要”或“必須”,通常用于否定句和疑問(wèn)句。2、在否定句中,可以用need的否定形式+不定式完成體。3、needn't后的不定式間或也能用進(jìn)行式或被動(dòng)語(yǔ)態(tài)!皀eed”作為實(shí)義動(dòng)詞時(shí),通常用法是:人+need +to do ;物+need +doing ;物+need +to be done,另外,“need”后還可以直接跟名詞。
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