(3)tell(until)“直到……为止” You must wait for him till tomorrow.你必须一直等到他明天。 He didn’t come back until twelve o’clock last night.他昨晚下到12点才回来。 在肯定句中,till(until)必须与延续动词连用。若与点动词连用,till(until)只能用于否定句中。 5.after, in, within ①after表示“在……之后”,是before的反义词。 We’ll hold a party after dinner.晚餐后我们将举办晚会。 He got a cancer and died after a year.他患了癌症,一年后去世了。 I’ll phone you after I arrive.到达后我给你打电话。(after作连词) ②within“在……时间之内” I can finish it with an hour.我不需一小时就可把它做完。 比较 after与in ①after后可跟时间段,也可跟时间点,如after school(放学后), 而in后必须跟一段时间,如in an hour(一小时后)。 ②after既可用于将来时,也可用于过去时,而in只能用于将来时。 ③after既可作介词,又可作连词,而in只能作介词②in“在……时间之后” I’ll arrive in an hour.我一小时后到达。 in与within后都必须跟时间段。 (二)表示“地点、方向”的介词: 1.In out side between, among ①in表示“在……里面”,如: What’s in the box?盒子里是什么? She put her book in the desk.她把书放进了书桌。 ②outside指“在……外面” There are many people out side the room.房间外有很多人。 What did you see out side the hall?你在大厅外看见了什么? ③between在……之间(指二者) There is a hospital between the hotel and the post office.在宾馆与邮局之间有所医院。 The building stands between the park and the small river.那栋建筑位于公园和小河之间。 between是指“在两者之间”,而among指“在多个之间”。 ④among在……之间(指三者以上) “There is a thief among you.” The policeman shouted to the crowd. 警察向人群喊道:“你们中间有个小偷!” He found his place among the crowd.他在人群中找到了他的位置。 2.on, above, over, below, under (1)on在……上面,表面相互接触。 (责任编辑:admin) |