Choose the right forms of the verbs to complete the sentences.

Choose the correct option.

If my dreams came true, I [would have been|would be] happy.

He [would drop|would have dropped] out of the university if he hadn't liked it.

If he [runs|will run] for president, I will support him.

If my brother [didn't have|hadn't had] a degree, he wouldn't be able to work as a vet.