Are these sentences grammatically correct?

Question

It wasn't the best thing to do without being wrong or bad.

It wasn't the best thing to do without being told it is wrong or bad.

It wasn't the best thing to do without being said it is wrong or bad.

Wasn't a good idea without being said it is wrong or bad.

Answer 1

The last sentence is not grammatically correct ... it's missing the first word, IT.

The others are grammatically correct, but I'm not sure they make much sense.