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初中英语:八大时态讲解.docx

发布:2019-01-12约9.77千字共8页下载文档
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英语八大时态: 一般现在时 现在进行时 现在完成时 一般过去时 过去进行时 过去完成时 一般将来时 过去将来时 一般现在时 标志:动词原形 情况 变形方法 读音 例词 一般情况 +s 清辅音后读/s/ 浊辅音和元音后读/z/ swim--swims help--helps like--likes 辅音字母+o结尾 +es 读/z/ go--goes do--does s/sh/ch/x等结尾 +es 读/iz/ watch--watches wash--washes 辅音字母+y结尾 变y 为i+es 读/z/ study--studies 特殊情况:have和be动词 变have 为 has 变be为am/is/are have--has be--am/is/are 表示经常性或习惯性动作,常与表频度的时间状语连用: She often speaks English. I leave home for school at 7 every morning. 造句练习:孩子们通常不喜欢家庭作业。 表示现在的状态、特征、职业、能力、感觉等: He seems to feel a bit down today. He works as a driver. 造句练习:她英语说得好。 表示真理、客观存在、科学事实或用于格言警句中: Shanghai lies in the east of China. Columbus proved that the earth is round. Where there is a will, there is a way. 造句练习:地球绕太阳转动。 表示现在瞬间的动作: Here comes the bus! 表示将来 表按规定、计划、安排将要发生的动作(仅限于某些表示“来、去、动、停、开始、结束、继续”等的趋向动词),可以与表示未来的时间状语搭配使用。常见的用法是:飞机、火车、轮船、汽车等定期定点运行的交通状况。如: The next train leaves at 3 o’clock this afternoon. How often does the shuttle bus run? 在时间和条件状语从句中常使用一般现在时表示将来发生的事情: When Bill comes (不用will come), ask him to wait for me. I shall go there tomorrow unless I’m too busy. 【练习题】 Nowadays, a large number of women, especially those who from the countryside, ___ in the clothing industry. is working works work worked –What would you do if it ___ tomorrow? --We have to carry it on, since we’ve got everything already. A. rain B. rains C. will rain D. is raining 一般过去时 标志:动词过去式 情况 变形方法 例词 一般情况 +ed work—worked 不发音e结尾 +d live—lived 辅音字母+y结尾 变y为i+ed carry—carried study—studied supply—supplied 重读闭音节结尾且结尾只有一个辅音字母 双写最后的辅音字母+ed plan—planned stop—stopped prefer—preferred regret—regretted 特殊情况 不规则 flee—fled fly—flew run—ran break—broke *闭音节:元音字母a, e, i, o, u如果发字母本来的音则称为开音节,否则称为闭音节。 表示过去某时所发生的动作或存在的状态,常与表示过去的时间状语连用(e.g. yesterday, this morning, just now, a moment ago, in May, last night / year / week, once upon a time, the other day, before …, when …, in the past等)。如: Jim rang you just now. Liu Ying was in America last year. 表示过去经常或反复发生的动作,特别是used to do表达的句型,本身表示的就是过去常常。如: When I was a kid, I often played football
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