1.If You ring me up, I shall tell you something.
2. If the weather is fine,he will go running.
3. if my friend comes to see me, I shall be very glad
4.If he does not work hard, he will fail the exam.
5. If my mother bakes a cake, we shall have a nice dinner.
1.They would be surprised if I made such a mistake.
2.If he knew English, he would try to enter the university.
3.If my father returned earlier, we should watch TV together.
4.If I lived in the south, I should bathe every day.
5.If I had this rare book, I should be very happy.