Complete the third conditional sentences with the correct forms of the verbs.

Choose the correct option.

If someone had asked me about it a few years ago, I [said|would say|had said|would have said] it wasn't possible.

Had the government [been|have been|had|had been] more careful, the country wouldn't have had such problems last year.

Kate wouldn't have become a famous model if she [wouldn't have been|wasn't|hadn't been|wouldn't been] so beautiful.

[Would have you been|Had you been|Would you be|Would you have been] successful in your business career if you had been born in Ethiopia?