Какая будет правильная форма глагола в задании по английскому языку?

Put the verb in brackets in correct form.

1.If I __________________ (be) you, I wouldn’t risk.
2.If they had waited another month, they could probably ________________ (get) a better price for their car.
3.If Ross decides to accept that job, he __________________ (regret) it for the rest of his life.
4.If Joanna __________________ (be) more careful, she would have spotted the mistake.
5.If Kendall goes on passing her exams, ___________________ (be) qualified to practise as an economist.