Unit10 Section A GrammarFocus～4c 练习课件 2023-2024学年人教版八年级英语下册

第三课时　Section A(Grammar Focus～4c) 英语 八年级下册 人教版 练闯考 ►现在完成时的用法 表示从过去某时开始持续到现在(包括“现在”在内)的动作或状态，可以和表示从过去某一时刻开始一直延续到现在的一段时间的状语连用，如“for＋时间段”“since＋时间点”“since引导的从句(一般过去时)”“since＋一段时间＋ago”等。 现在完成时（三） 【注意】“for＋时间段”与“since＋一段时间＋ago”可以进行相互转换。 My uncle has worked at this factory for five years.＝My uncle has worked at this factory since five years ago.我的叔叔已经在这个工厂工作5年了。 ►句中动词的特点 此用法中表示持续性的动作或状态的动词必须是延续性动词(否定句除外)。 【注意】对“for＋时间段”和since引导的时间状语(从句)提问要用how long。 ►部分短暂性动词和与之对应的延续性动词 (1)arrive at/in，get to/reach，come/go/move to→be in sp.(home)/at sp.(school)/on sp.(the farm)，be here/there (2)come/go back，return→be back；come/go out→be out (3)become→be (4)close→be closed；open→be open (5)get up→be up；die→be dead；leave sp.→be away from sp.；fall asleep/get to sleep→be asleep；finish/end→be over；marry→be married (6)start/begin to do sth.→do sth.；begin→be on (7)borrow→keep；lose→not have；buy→have；put on→wear；catch/get a cold→have a cold；get to know→know (8)join the League/Party/army→be a League member/a Party member/a soldier/be in the League/Party/army 一、用 for 或 since 完成下列句子。 1．We've been friends _______ we left school. 2．Alison has been skating ____ five hours ago. 3．—How long have you had that bike over there? —I've had it ____ three years. 4．—How long has his son owned the train and railway set? —He has owned it ____ his fourth birthday. 5．—Have you ever played football? —Yes.I played football when I was little，but I haven't played ____ a while now. since since for since for 二、单项选择。　　　　　　　　　　　　　　　　 (　　)6.(2022·重庆A卷)They have been friends ________ they first met. A．since B．while C．before D．after (　　)7.(2022·江苏扬州)—May I speak to Wang Li? —Sorry，she is not at home.She________ since last month. A．left B．has left C．has been away D．went away A C (　　)8.—Why are you in such a hurry? —Because the class ________ for 10 minutes. A．has been on B．has begun C．is on D．begins (　　)9.Her grandfather ________ a car in 2012.He ________ the car for 11 years. A．buys；has bought B．bought；has