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七年级英语三大时态. 时态. Tense. 在英语中， 不同时间 发生的动作或存在的状态要用 不同的动词形式 来表现。. 重点掌握. 每种时态的概念、信息词、结构、句式变化、以及某些时态间的相互区别. 现在进行时：. 现在正在 进行 的动作. (The Present Continuous Tense). 时态. 一般现在时：. 经常 或 习惯性 的动作或存在的状态。. (The Simple Present Tense). 一般过去时：. 过去 某个时间或时间段发生的动作或存在的状态。. (The Simple Past Tense). 各时态常用的信息词.
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时态 Tense 在英语中，不同时间发生的动作或存在的状态要用不同的动词形式来表现。 重点掌握 每种时态的概念、信息词、结构、句式变化、以及某些时态间的相互区别
现在进行时： 现在正在进行的动作 (The Present Continuous Tense) 时态 一般现在时： 经常或习惯性的动作或存在的状态。 (The Simple Present Tense) 一般过去时： 过去某个时间或时间段发生的动作或存在的状态。 (The Simple Past Tense)
各时态常用的信息词 now , Look! Listen! at this time Where is …? Don’t talk! It’s 8:00am. 现在进行时： always , usually, often, sometimes ,seldom, never, every day, every… ,three times a day 一般现在时: last night, last…, two days ago, …ago, in 1999, in +过去的年份, just now =a moment ago, yesterday, yesterday morning 一般过去时:
Do… Does… Did… 改一般疑问句的方法： ①首先看有无be动词，如果有，将be提到句首并大写，句末打问号. ②如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并且行为动词要还原。 V-原形 V-s/es V-ed(过去式) +动词原形…? 改否定句的方法： 以此类推 ①首先看有无be动词，如果有，在be 动词后面加not. ②如果没有be 动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。 主语+don’t/doesn’t/didn’t+动词原形
①直接加-ing. ②重读辅元辅，双写尾字母加-ing. ③以e 结尾去e加-ing . 现在分词 的构成： ①直接加-s. ②以s, x, ch, sh, o结尾加-es. ③以“辅音+y “结尾变y 为i再加-es. 动词第三人称 单数的构成： ①直接加-ed. ②以e结尾只加d. ③重读辅元辅，双写尾字母再加-ed. ④以“辅音+y”结尾变y 为i 再加-ed. 过去式 的构成：
表格对比学习 be+v-ing (现在分词） 在be 后加上not Be提到句首 Do,Does 提到句首，行为动词还原 在行为v.前借用do ,does后加not，行为动词还原 V -原形 V-三人单 在行为v.前借用did后加not，行为动词还原 Did 提到句首，行为动词还原 V-ed (过去式）
小小测试 A.现在进行时 B.一般现在时 C.一般过去时 判断时态形式： • He always likes playing the piano.( ) • We are having an English classes now.( ) • They often go home late.( ) • Lucy danced the disco at the party last night.( ) • I liked go to the zoo when I was young.( ) • My teacher is friendly to us.( ) • Look! They are playing football.( ) • She was born in 1990.( ) • I lost much money last night.（ ） B A B C C B A C C
词形转换 过去式 现在分词 第三人称单数 need- stop- hope- play- try- plan- visit- like- needed stopped hoped played tried planned visited liked having looking beginning using shopping getting dancing studying have - look - begin- use- shop- get- dance- study- study- finish- have- go- do- play- watch- give- studies finishes has goes does plays watches gives
He is a teacher. 先（一般疑问句） 再（否定句） 你会了吗？ Is he a teacher? He isn’t a teacher. 句型变化操练 2. Kangkang comes from China. Does Kangkang come from China? Kangkang doesn’t come from China. 3. I usually take the bus to work. Do you usually take the bus to work? I don’t usually take the bus to work. 4.They are having classes. Are they having classes? They aren’t having classes. 5.Jane played the guitar last night. Did Jane play the guitar last night? Jane didn’t play the guitar last night.
用所给动词的适当形式填空。 1. Listen! Mary _________ ( sing) now. 2. A young man __________ (run) on the playground now. 3. My mother _________(watch) TV play every day. 4. Old Bush ________(visit) China again last month. 5. I ______ (play) sports three times a day. 6. Look! Lucy and Lily ____________(read) books. 7. There _______(is) a football match yesterday afternoon. 8. Our class ______( go) to the zoo three days ago. is singing is running watches visited play are reading was went
判断下列信息词是属于哪种时态 last night now every day Look! yesterday often Listen! two years ago always in 1897 three times a week 一般现在时 一般过去时 现在进行时
过去式的不规则变化 blew bought could came did ate fell found forgot got give- go - have- know- learn - make - meet - read - run - say - see - send- sit - take- think- will - tell - begin - teach - catch - saw sent sat took thought would told began taught caught blow - buy - can - come- do - eat - fall - find - forget - get - gave went had knew learnt made met read ran said
