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30. If I realized he is the author, I wouldn't be so rude about his new book.
31. Unless she insisted on kissing everyone goodbye, she would catch the train.
32. If he studied his lesson carefully, he wouldn't get bad marks.
33. Unless she knew the answer, she wouldn't raise her hand.
34. If we get up early, we could enjoy the sunlight.
35. If she revised the lesson, she would finish the test.
36. Unless Linda came to the meetng late, she wouldn't be sacked.
37. Unless John knew the address, he wouldn't write the letter to his old friend.
38. If my close friend helped me, I could finish the project.
39. If she helped me, I could finish my theme in time.
40. If I got up early in the morning, I could do morning exercise./ If I were able to get up early in the morning, I could do morning exercise.