Need

Need= (1) must happen, have or exist previously or during (in order for stated thing to be happen or be the case): ‘This job needs a lot of patience and skill.’ (2) a lack of something requisite, desirable, or useful: ‘We realize that there is still a need for further discussion.’ (3) have a requirement for: ‘I don’t feel the need to defend my decision.’

There is no need to do sth (NOT it is …): ‘There’s no need to start getting upset.’

A need for sth (NOT of): ‘The government is conscious of the need for more schools.’

Be in need of sth (= require): ‘The car is in need of a good clean.’ ‘Are you in need of any assistance?’

A need to do sth (NOT of/for doing): ‘I don’t understand their need to sell the house.’

In affirmative sentences, use need to do sth (WITH to): ‘I need to get to the airport by seven at the latest.’ In the negative forms (WITHOUT to): ‘She needn’t stay if she doesn’t want.’ In the question forms (WITH or WITHOUT to): ‘Does she need to stay any longer?’ ‘Need she stay any longer?’