21. If I were you, I would tell her the truth.
22. Why didn’t you attend the meeting?
Oh, I didn't know indeed. If I knew, I would come there.
23. What will we do if they won't come tomorrow?
24. If you meet him, remember didn't tell him what I had just said to you.
25. If I had enough time now, I would write to my parents.
26. It’s too bad Helen isn’t here. If she was there, she would know what to do.
27. If I don't eat breakfast tomorrow morning, I will get hungry during class.
28. I would change the present economic policy if I was the President of the United States.
29. If the weather is nice today, we will go to the zoo.
30. If I had been in your position, I would have done that.
31. If we meet at 9:30, we will have plenty of time.
32. Lisa would find the milk if she looked in the fridge.
33 The zookeeper would have punished her with a fine if Trang 28 she had fed the animals.