[中学联盟]广东省台山市华侨中学高二英语人教版选修七（Book8）课件：Unit5 language points (共12张PPT)

★ Can you think of the alternatives we would use today? alternative n.替换物/可能的选择 adj.供选择的 have no alternative but to do sth别无选择只好… 他别无选择,只好打电话给父母求助。 He had no alternative but to call up his parents for help. 农民们别无选择,只好跟商人妥协价钱。 The farmers had no alternative but to compromise with the businessman on the price. 你有其他的建议吗? Do you have alternative suggestions? ★ You must be aware that it's here that we found evidence of some of the earliest people who lived in this part of the world. 走了很长的路, 你一定很饿。 You must be hungry after a long walk. 灯亮着, 他一定正在做作业。 The light is on. He must be doing his homework now. 地是湿的, 昨晚一定下雨了。 The ground is wet. It must have rained last night. 对现在的情况表示肯定猜测, 用 “ must + do” 对现在正发生的事表示肯定猜测,用 “ must + be + doing” 对过去发生的事表示肯定猜测,用“ must +have + done” ★ I’m sorry to interrupt you but how could they live here? 很抱歉打扰你, 我想问问他们是怎么在这里生活的? 句型“I’m sorry...but...”是口语中委婉的表达, “but”表示语义上的转折。 抱歉打断你们的谈话,但我有急事要告诉你。 I’m sorry to interrupt your conversation, but I have something urgent to te