1.want to do sth. 想做某事 I want to go to school. 我想去上学。 2.want sb. to do sth.想让某人做 I want my son to go to school. 我想让我的儿子去上学。 3.be different from与...不同 The weather in Beijing is different from that of Nanjing.北京的天气和南京的不同。 4.be the same as 与…相同 His trousers are the same as mine. 他的裤子和我的一样。 5.be friendly to sb. 对某人友好 Mr. Wang is very friendly to us. 王先生对我们非常友好。 6.welcome to sp. 欢迎来到某地 Welcome to China. 欢迎来到中国。 7.What's the matter with sb./sth. 某人/某物出什么毛病了 What's the matter with your watch？ 你的手表怎么了？ 8.what to do 做什么 We don't know what to do next. 我们不知道接下来要做什么。 9.let sb. do sth. 让某人做某事 Let him enter the room.让他进入房间。 10.let sb. not do sth.让某人不做 Let him not stand in the rain.让他不要站在雨中。 11.why don't you do sth. 你怎么不做某事呢 Why don't you play football with us. 你怎么不和我们踢足球呢 ……