八年级英语下 时态的区分和练习 (ppt).ppt

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 mybrotherandi like singing 2 whatday be ityesterday 3 thescientistsare talk 4 jim parents be atworklastsaturday 5 we have greatfunyesterday like was talking were had 1 don t sit here 2 he be bornintheu s a 3 shecan speak englishandfrench 4 mrsmith read englisheverymorning butthismorninghe notread sit was speak reads doesn tread 10 whois come tomorrow 11 they invite somefriends andthey cook abigmeal 12 myfriendmark visit me we talk and listen tomusic 13 he study onsaturday buthe notwork onsunday he walk tothesupermarketand shop allday coming invited cooked visited talked listened studied didn twork walked shopped 14 i stay homeand watch tv 15 you have agoodweekend yes i i have agreatweekend ijustrelaxed 16 i notdo myhomeworklastnight imust finish itnow stayed watched did have did had didn tdo finish 17 howmanylessons you have everyday we have sixaday butyesterday we nothave lessons we go tothecinema 18 he be veryfriendlytopeople i like him do have have didn thave went is like 19 wheniwasachild i like thepopmusic 20 tinawants give meajazzcd 21 he sing verywell nowhe sing intheclassroom liked togive sings issinging 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d3 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