I need help with some sentences. which is correct? what is the difference?

Let's say I speak with someone, and that person tells me she did something very dangerous while she visited France.

(1) I would have been very scared ...(to do that)

(2) I would had been very scared...

(3) I would be very scared...

It think (3) refers to the future. It means that if I find myself in her situation (sometime in the future) I will be scared.

I think (1) and (2) refer to the past, but I don't see the difference between them.

Please correct me if I am wrong.

Thank you very much!
You are right about number (3).

Number (1) is correct and number (2) is grammatically incorrect.

Perhaps he would have been prosecuted by now

Teachers: We supply a list of EFL job vacancies

Second sentence is utterly incorrect as 'had' never comes after 'would'. First and last sentences are correct but both sentences differ in meaning.

First sentence implies that If I had been in this situation (I wasn't but if i were) , I would have been very scared to do it.It's in the past.

Third sentence is not in the future.It's more likely to be taken as a present sentence.It implies that if the speaker is in a situation where he has to do something, he will be scared.

Just to be clear , i added 'will' to state the meaning explicitly.It does not mean that it's a future tense.It's a present tense.