八年级英语外研版上时态的区分和练习.pptVIP

时态的区分和练习 一般现在时态:1.表示经常习惯性的动作,表示现在的状态,特征和客观的真理. 句中常有often ,always ,usually等时间状语 ,系动词用am ,is ,are 当主语不是第三人称单数时,谓语动词用动词原形. 当主语为第三人称单数时动词+s/es. 一般过去时:表示过去某时间所发生的事,存在的状态或过去反复发生的动作. 句中一般有过去的时间状语. 系动词用was ,were 谓语动词用过去式. 现在进行时:表示说话时正在进行的动作或现阶段正在进行的动作,但说话时不一定正在进行. 有时间状语now,或者一些动词如:look, listen 谓语动词用am ,is ,are +V-ing 1.???? My brother and I ______(like) singing . 2.???? What day ____ (be ) it yesterday ? 3.???? The scientists are ______(talk). 4.??Jim’ parents ____(be) at work last Saturday . 5. We _______(have) great fun yesterday 1.???? Don’t ______(sit) here . 2.???? He _______(be) born in the U.S.A. 3.???? She can _______(speak ) English and French. 4.???? Mr Smith _______(read)English every morning ,but this morning he ____________(not read). ? 10.Who is _________(come ) tomorrow. 11.They _______(invite ) some friends ,and they _______(cook) a big meal . 12.My friend Mark ______(visit ) me .We ________(talk ) and ________(listen) to music . 13.He _______(study) on Saturday ,but he ___________(not work ) on Sunday .He ________(walk )to the supermarket and _________(shop) all day . 14.I_______(stay)home and _______(watch) TV . 15.______you _______(have) a good weekend ? Yes ,I ______,I_______(have ) a great weekend .I just relaxed . 16.I ________(not do ) my homework last night . I must ______(finish) it now . 17.How many lessons _____ you ____(have) every day .We _____(have) six a day ,but yesterday .We __________(not have ) lessons .We _____(go) to the cinema . 18.He _____(be ) very friendly to people .I ______(like )him . 19.When I was a child ,I ______(Like) the pop music . 20.Tina wants ______(give) me a jazz CD. 21.He ______(sing) very well .Now he ________(sing ) in the classroom 动词过去时的构成: 1.???? 动词后加ed . 2.???? 以不发音的e结尾的词加d 3.???? 以辅音字母+y结尾的改y为i 后加ed . 重读闭音节结尾的双写最后一个字母再加ed 现在分词的构成: 1.???? 一般直接在动词的后面加ing 2.???? 以不发音的e结尾的去e加ing 3.???? 以辅音字母+y结尾的改y为i再加ing . 重读闭音节结尾的双写最后一个字母再加ing * like was talking were had sit was speak reads doesn’t r