九年级英语时态复习课件仁爱版.pptVIP

* 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, once a month, on Sundays 构成 ：①主语+be+其他 ②主语+动词原形+其他 （第三人称单数作主语动词要加s) ? 否定构成 ： ①主语+be+not ② don’t+动原 \doesn’t+动原 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。 ????????　 When you are in Rome, do as the Romans do. ???????? Light travels faster than sound. 4)?表示主语具备的能力、性格、个性。 ????????　? I?like singing. ? Ann?writes?good?English?but?does?not?speak?well. She looks like her sister.? ?????5）在时间，条件状语从句中，用一般现在时表示将来 If it rains tomorrow, we won’t (will not) go to the park. When I grow up, I will go to American. ( ) 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) 否定构成 ： am/is/are+not+现在分词 一般疑问构成Am/Is/Are+主语+现在分词+ 其它？ 现在进行时的基本用法： 表示现在( 指说话人说话时) 正在发生的事情。 ? We are waiting for you. 　 b. 表示现阶段正在进行的动作或存在的状态???????? They are studying hard this term. We are picking apples on a farm these days. ? ?c. 表示渐变的动词有：get, grow, become, turn, run, go, begin等。 ??????? The leaves are turning red. It’s getting warmer and warmer.