1.You don't need to be worried about it.
2.You needn't worry about it.
3.You needn't be worried about it.
这三句就见过第1,第2种。
请问老师第3种用法对吗?
这个句子 You needn't be worried about it. 完全正确,一点问题都没有。
1. 既然 needn't do 正确,needn't be 肯定正确。
2. worry about it 和 be worried about it,都对。前者强调动作,后者表示状态。
更多例句:
1. You needn't be frightened at the dog.
你不必怕那条狗。
来自《现代汉英综合大词典》
2. “You needn't be so rude about it,”my wife answered as she looked at herself in the mirror.
“ 关于这个嘛,你不必那么没礼貌, ” 我妻子一面照镜子一面回答说。
来自《用法词典》
3. He needn't be so smug, I know something he didn't know.
他用不着那么沾沾自喜, 我懂得某些他不懂得的东西。
来自辞典例句
4. You needn 't be afraid of that: I give you my word it'll work!
你怕不成功么!不怕的! 我写包票!
来自子夜部分
5. You needn't be oversensitive. It has nothing to do with me.
你不必多心, 这事与我无关。
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need 可以是情态动词,也可以是实意动词。作为情态动词,need只用于否定和疑问句,不能用于肯定句。因此need用于否定句时,可以有二种用法,实意动词用法和情态动词用法。
You needn't do it.
You don't need to do it.
You needn't be there.
You don't need to be there.
网友既然见过第一和第二句的用法,就应该知道第三种用法无疑是正确的,只不过实意动词为系动词而已。情态动词need后接不带to的不定式,实意动词need后接带to的不定式,或者直接接名词。只要记住情态动词need不能用于肯定句即可。如下句为错误:
You need come tomorrow. 应改为to come。
You need be here tomorrow. 应改为to be。
否定句则不受限制。
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