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if /whether she agreed with him. 36. My brother has been in the army for three years. It is three years since my brother joined the army. My brother joined the army three years ago. 37. She said to me, “Don’t fet to ring him up tomorrow morning.” She told me not to fet to ring him up the next morning. 38. We left early so that we shouldn’t be late for the meeting. We started out early in order not to be late for the meeting. 39. Look round before you cross the street. Look round before/ when/ while crossing the street. 40. Work hard and you will succeed. If you work hard, you will succeed. 41. She suddenly began to cry. She burst into tears. 42. she is too young to go to school. She isn’t old enough to go to school. 43. It is not polite to make others be laughed at. It is not polite to make fun of others. 44. Mathilde would rather not go to the palace ball unless she got some jewelry. Mathilde would rather stay at home than go to the palace ball if she couldn’t get any jewelry. 45. It is better for you to give up drinking. You had better give up drinking. 46. It is not necessary for you to worry about him. You need not worry about him. There is no need to worry about him. 47. As he was very poor, he couldn’t go to college. His poverty prevented him from going to college. 48. The enemy soldier ,who was full of fear, kept trembling The enemy soldier , full of fear, kept trembling. 49. He has formed the habit of sleeping early and getting up early. He has made it a rule to sleep early and get up early. He has got used to sleeping early and getting up early. 50. We often hear her sing English songs in her spare time. She is often heard to sing English songs in her spare time.