Need to/needn't

[tipu s]

1- You need to work hard.
2- You needn't be rash.
Are both of these sentences correct?If yes, why is there a 'to' in the affirmative sentence, but not in the negative sentence??
Please help.

 

[ostap77]

1- You need to work hard.
2- You needn't be rash.
Are both of these sentences correct?If yes, why is there a 'to' in the affirmative sentence, but not in the negative sentence??
Please help.

NOT A TEACHER

1) a regular verb

2) a modal verb

 

[tipu s]

NOT A TEACHER

1) a regular verb

2) a modal verb

Any example of this modal verb in affirmative?

 

[ostap77]

Any example of this modal verb in affirmative?

"Need" as a modal verb appears especially in British English in questions and negative statements. You could google it and see what pops on the monitor.

 

[curates-egg]

=Not a Teacher=

Even when modal need appears to be used in the affirmative, there is usually a negative sense:

I don't think we need worry about that. (= I think we needn't worry about that.)