Could you tell me about the usage of the word 'need'?
I am wondering if the sentences below are grammatically correct and have the same meaning.
(1) The theories don't need to be demonstrated.
(2) The theories need not be demonstrated.
(3) The theories need not to be demonstrated.
I have another question to ask you. I think the sentence below is not correct. Can you tell me why it is not? And correct it, please.
The theory doesn't need to be demonstrated.
thanks in advance
Top answer
The sentences are just different arrangements of the verb (need) and the adverb (not) and a singular or plural subject. ) are probably the most natural. But the last is for one theory, not many.
- The sentences are just different arrangements of the verb (need) and the adverb (not) and a singular or plural subject.
- ) are probably the most natural.
- But the last is for one theory, not many.
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The sentences are just different arrangements of the verb (need) and the adverb (not) and a singular or plural subject.
The first and last ones (The theory doesn't need to be demonstrated.) are probably the most natural. But the last is for one theory, not many.
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