It goes without saying, but the search ended in vain.

I would say that it's going to rain tomorrow.

He always says, "only kidding!" at the end.

TBH, I don't know what to say.

Let's just say I'm happy with the outcome.

I can't ken what you're saying.

I dare say he will be late again.

I say we go to the beach tomorrow.

We walked along without saying a word.

He has a reflexive habit of saying “sorry.”