15. I don't go to the United States of America, so I don't see a lot of beautiful sights there.
---> If__________.
16. I don't understand the answer, so I can't tell you.
---> If__________.
17. Paul will not get good marks in the examination because he studies lazily.
---> If__________.
18. Ben is not intelligent enough to answer your question.
---> If___________.
19. The student is so tired that he can't go on his study now.
---> If__________.
20. I will go there. I will buy you a dog.
---> If__________.
21. We can't go out because it is raining.
---> If__________.
22. I can't help you because you don't tell me your problem.
---> If__________.
23. We won't have a holiday because we don't have enough money.
---> If__________.
24. Peter doesn't go to the party today because it rains heavily.
---> If__________.
25. You don't speak loudly, he won't hear anything.
---> Unless__________.
15: If I went to the United States of America, I would see a lot of beautiful sights there.
16: If I knew the answer, I would tell you
17: If Paul studied hard, he would get good marks in the examination
18: If Tom were intelligent, he would answer this question.
19: If the student weren't tired, he would go on his study now.
20: If I go there, I will buy you a dog.
21: If it weren't raining, we would go.
22: If you told me your problem, I would help you.
23: If we has enough money, we would have a holiday.
24: If it weren't rains heavily, Peter would go to the party.
25: Unless you speak loudly, he won't hear.
15. I don't go to the United States of America, so I don't see a lot of beautiful sights there.
---> If__I went to the United States of America, I would see a lot beautiful sights________.
16. I don't understand the answer, so I can't tell you.
---> If__I understand the answer, i could tell you________.
17. Paul will not get good marks in the examination because he studies lazily.
---> If___Paul studied hard, she would get good marks in the examinstion_______.
18. Ben is not intelligent enough to answer your question.
---> If_____Ben were intelligent enough, I would answer my best______.
19. The student is so tired that he can't go on his study now.
---> If_____the student weren't so tired, he could go on his study now_____.
20. I will go there. I will buy you a dog.
---> If____I went there, I would bought you a dog______.
