高三英语一轮复习时态语态课件.pptxVIP

动词的时态语态 主谓一致;动词的时态; 一般现在时do/does; am/is/area.表示习惯性、经常性的动作，或经常存在的状态。常见的时间状语有often，usually, always, sometimes, now and then等。 b.按时间表、时刻表、日程表等安排将要发生的动作。只限于go, arrive, leave, start, return, begin, come等。 The train starts at 11 O’clock. ;c.表述客观真理、客观存在及自然现象。 My teacher said the sun rises in the east. d.用于时间、条件状语从句中，表示将要发生的动作。 We’ll go on a picnic if it is sunny tomorrow.;现在进行时 am/is/are doinga.表示说话时正在发生的动作或表示现阶段正在进行的动作(此时此刻动作不一定正在进行)。 What are you doing these days?b.表示按计划或安排即将发生的动作，常用的这类动词有go, come, leave, start, arrive, return, work,stay,have,wear等。 I’m leaving for Beijing tomorrow. ;c.表示反复出现或习惯性动作，往往含有赞赏、厌恶、遗憾等情绪，常与always，continually, constantly等连用。 You are always forgetting the important things. He is always soing well at school.;现在完成时 have/has done a.表示发生在过去而对现在仍有影响的动作或状态，常见的时间状语有already, just, yet, never, before, lately, recently, in the last/past few years, up to now, so far等。 Tina has never been to Beijing before. The town has changed greatly in the past few years.;b.表示从过去某时开始并延续至今的动作或状态，常与“for+时间段”或“since+时间点”连用。 She has been a teacher for three years. She has been a teacher since three years ago. c. 在条件、时间、让步状语从句中，表示将来某时间前已完成的动作。 ;d.This/It is the first/second...time+that从句，that从句中谓语要用现在完成时。 This is the first time that I have been here. e.It/This is the best/worst/most interesting.…+名词+定语从句，从句中的谓语用现在完成时。 This is the best movie that I have ever seen.;;延续性动词与非延续性动词之间的转换： leave --- be away borrow --- keep buy --- have die --- be dead finish --- be over join --- be in / be a member of open sth --- keep sth open fall ill --- be ill get up---be up, catch a cold --- have a cold come here --- be here go there --- be there, become --- be come back --- be back fall asleep --- be asleep, get to/arrive/reach --- be (in) leave --- b