9_初中英语时态复习课件a.ppt
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* 初中英语时态复习课件 一般现在时 用法:经常性的和习惯性的动作 常用时间状语 : usually,sometimes,in spring, every day,in the morning 动词构成 :动词原型. work ? 动词+S.(主语是第三人称单数)works 否定构成 : don’t+动原 doesn’t+动原 一般疑问构成及简答:Do+主语+动原+其它?Yes,I do. Does+主语+动原+其它?No,he doesn’t. 特殊疑问举例 :What do you often do on Sundays?? Where does he live? 注意: start,leave,go,come等的一般现在时可表示按 规定要发生的未来动作,如列车将离开。客观真理在从句中也用一般现在时. 一般现在时的用法 ????????? ????????1)?经常性或习惯性的动作,常与表示频度的时间状语连用。 ???????? ??I leave?home?for?school?at?7?every?morning. ???????? ????????2)?客观真理,客观存在,科学事实。 ???????? ?The?earth?moves?around?the?sun. ???????? ?Shanghai?lies?in?the?east?of?China. ????????3)?表示格言或警句中。 ???????? ?Pride?goes?before?a?fall. 骄者必败。 ???????? 4)?现在时刻的状态、能力、性格、个性。 ???????? ? I?don’t?want?so?much. ???????? ?Ann?Wang?writes?good?English?but?does?not?speak?well. ??????? ?比较:Now?I?put?the?sugar?in?the?cup. ???????? I?am?doing?my?homework?now. ( ) 1 -_____ they often ___ these old men? -Yes, they___. A. Do; help; are B.Are; helping; are C. Do; help; do D. Are; helped; are ( ) 2 They usually_____TV in the evening.A. watch B. will watch C. are watching D. watches ( ) 3The sun ___ in the east and___ in the west.A. raises; set B. rise; sets C. rises; sets D. rises; set 练习 c 现在进行时 用法:说话时正在进行的动作或当 前一段时间正在进行的动作 常用时间状语 :now,these days 动词构成 : am/is/are+现在分词(--ing) am/is/are working 否定构成 : am/is/are+not+现在分词 一般疑问构成及简答:Am/Is/Are+主语+现在分词+ 其它?Yes,I am(he is.) No,they aren’t 特殊疑问举例:What are you doing no
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