六大时态(2)课件 2024-2025学年外研版九年级英语上册

2 0 2 0 六大时态 1 【Activity 1】Reconstruct the mind map about different tenses from the meaning, mark words and structure. 一般现在时 含义：1.表示经常性或习惯性的动作，常与表示频率的副词和时间状语连用。 She often goes to the cinema. 2.表示主语的状态或能力等。这种情况通常用be动词。He can play football.（能力）She is a girl.（状态） 3.表达客观真理，或名言警句。The sun rises from the east. 标志词：always，usually，often，sometimes ,every morning/night/evening/day/week/year， from time to time，twice a week，once a month 2 句式结构：主语+动词 +其它 肯定句：主语+do\does\am\is\are+其他 eg: We start work at nine o'clock. 否定句：主语+do\does\am\is\are+not+其他 eg:We don’t start work at nine o’clock. 疑问句：Do\does+主语+do+其他? eg:Do we start work at nine o’clock? am\is\are+主语+其他? eg:Is English interesting? 3 句式结构：主语+动词 +其它 当主语为第三人称单数时： 主语+动词三单形式+其它 第三人称单数包括： he she it 像xiaoming ,xiaohua等这样一个具体的人名 不定代词：something ,somebody, nobody等 4 现在进行时 含义：表示正在进行的动作或持续的状态。 标志词：now, listen, look, at the moment，在某一具体时间刻 结构：主语+be+V-ing+其它 肯定句：主语+be+V-ing+其它 eg:She is reading now. 否定句：主语+be+not+V-ing+其它 eg:She is not reading now. 疑问句：be+主语+V-ing+其他 eg:Is she reding now? 5 一般将来时 含义：表示将要发生的动作或存在的状态。 标志词：tomorrow, next Monday/Tuesday… ， next week/month/ year ， in the future ， in five days ，soon 结构：主语+will/be going to+动词原形+其它 肯定句：主语+will/be going to+动词原形+其它 eg:She will/is going to visit the West next week. 否定句：主语+will+not+动词原形+其他 主语+be+not+going to+动词原形+其它 eg:She will not visit the West Lake next week. She is not going to the West Lake next week. 疑问句：will+主语+动词原形+其他 be+主语+going to+动词原形+其他 eg:Will she visit the West Lake next week? Is she going to the West Lake next week? 6 一般过去时 含义：表示过去某个时间里发生的动作或状态，也可以表示过去习惯性、经常性的动作。 标志词：500 years ago, yesterday,last week,in 1993,just now等等。 结构：主语+动词过去式+其他 肯定句：主语+did/was/were+其他 eg:They played basketball yesterday./They were in the classroom just now. 否定句：主语+didn't+动词原形+其他 主语+was/were+not+其他 eg:They didn't play basketball yesterday./They were not in the classroom just now. 疑问句：Did+主语+动词原形+其他 Was/Were+主语+其他 eg:Did they play basketball yesterday? Were they in the classroom just now? 7 过去进行时 含义：表示过去某个时刻或某一时间段正在进行的动作。 标志词：then, at this/that time yesterday, at...last night等。 结构：主语+was/were+V-ing+其它 肯定句：主语+was/were+V-ing+其它 eg:I was reading a book at that moment. 否定句：主语+was/were+not+V-ing+其它 eg:I was not reading a book at that moment. 疑问句：Was/Were+主语+V-ing+其他 eg:Was I reading a book at that moment? 8 现在完成时 含义：1.表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种影响；I have seen the film. I don't want to see it again. 2.表示到目前为止已经完成的事情；My aunt has travelled all over the world. 3.表示某一行为或状态从过去某一时间一直持续到现在并可能持续下去。I have learnt English for ten years. 标志词：just, already, yet, since+时间点（since November 2020)，for+时间段(for five years) 结构：主语+have/has+动词的过去分词+其它 肯定句：主语+have/has+动词的过去分词+其它 eg:I have entered lots of competitions. 否定句：主语+have/has+not+动词的过去分词+其它 eg:I have not entered lots of competitions. 疑问句：Have/Has+主语+动词的过去分词+其他 eg:Have I entered lots of competitions? 9 【Activity 2】Change the verbs into their third person singular, past tense form, present participle and past participle form.（将动词变成第三人称单数，过去式,，现在分词以及过去分词） 动词原形 三单 过去式 现在分词 过去分词 work study drive wash watch fly works worked working worked watched studied studying studied drives drove driving driven washes washed washing washed watches studies watching watched flies flew flying flown 10 动词原形 三单 过去式 现在分词 过去分词 spell speak like do have go eat write run spells spelled/spelt spelling spelled/spelt speaks spoke speaking spoken likes does has goes eats writes runs liked liking liked did doing done had having had went going gone ate eating eaten wrote writing written ran running run 11 动词三单形式的变化规则 （1）一般情况下,直接加s work---works ; rain--- rains; (2) 以 sh,ch,s,x或o结尾的词后加-es wash—washes; teach—teaches; do—does ;go—goes (3)以辅音字母加y结尾的, 先把y变成i,再加es study—studies; fly---flies; carry---carries 12 动词过去式/过去分词的规则变化 ①一般在动词原形末尾直接加上-ed。如：look-looked。 ②以不发音的字母e结尾的动词加d。如：live-lived。 ③末尾只有一个辅音字母的重读闭音节，先双写这个辅音字母，再加-ed。 如: stop-stopped ④末尾是辅音字母+y结尾的动词，先y变i为 ，然后再加 ed 。study- studied 13 动词-ing形式的构成 一般在动词原形后+ing do ask doing asking 以不发音的e结尾的，去e，+ing write take dance writing taking dancing 重读闭音节以一个辅音字母结尾的，双写这一字母+ing get run swim put getting running swimming putting 14 e.g. I always like (like) birthday parties.(一般现在时） Translation: _我总是喜欢生日聚会。 【Activity 3】Analyze different tenses according to examples.（用△标出时间标志词；在括号中写出句子的时态；在横线处用括号内所给单词的适当形式填空。） 1.She often ________ (go) to the cinema. （ 一般现在时 ） Translation:____________________ 2. It____(be)a very large animal and usually________ (live) alone.（ 一般现在时 ） Translation:_________________________________ goes 她经常去电影院。 is lives 它是一个非常巨大的动物并且总是独居。 15 3. He______ (leave) school and__________ (begin) to work at school at the age of twelve.（ 一般过去时 ） Translation:________________________________________ 4.On Saturday morning, I _________ (check) my email and______ (do) my homework.（ 一般过去时 ） Translation:________________________________________________ 5. In twenty years’ time, maybe there__________ (not, be) any schools.（一般将来时） Translation:____________________________ 6. While she was falling, she____________ (think) about her cat.（过去进行时 ）Translation:________________________________________ left began 他十二岁的时候离开了学校然后开始工作. checked did 在周六早上，我查看了我的电子邮件并且写了作业。 will not be 在二十年后，可能没有学校了。 was thinking 当她正在往下掉的时候，她正在想她的猫。 16 7. I_____________ (try) to pick it up when it bit me again.（ 过去进行时 ）Translation:________________________________________________ 8. We __________________ (find) life on any other planets yet.（ 现在完成时 ） Translation:_____________________________________ was trying 当它再次咬我的时候我正努力把它拿起来。 haven't found 我们还没有在其他任何行星上发现生命。 9. I____________ (be) ill for about three days.（ 现在完成时 ）Translation:___________________ 10. I_______________ (not, do) much exercise since I got my computer.（现在完成时 ）Translation:________________________________________________ have been 我已经生病三天了。 haven't done 自从我有了电脑我就再也没有做过运动。 17 $$