[Grammar] affirmative form of need not have gone

[vaibhavmaskar]

1. You need not have gone there

2. You need have gone there.(?)

3. You had needed to go there.(?)

I want to write affirmative form of 1st sentence. which is the correct form (2 or 3)

 

[probus]

Neither 2 nor 3. Is this homework?

 

[vaibhavmaskar]

No.

could you make it?

 

[probus]

Neither 2 nor 3 is what I intended to convey.

 

[bhaisahab]

"You should have gone there", "It was necessary for you to go there".