Поставьте глаголы в скобках в правильной форме.
1. If he (to be) a poet, he would write beautiful poems.
2. If my brother (to get) in trouble, I’ll help him.
3. If he didn’t read so much, he (not to know) English so well.
4. If I had this rare book, I (to give) it gladly to you.
5. If he works hard, he (to achieve) great progress.