一般现在时与一般过去时ppt课件.pptx

一般时态复习: The Simple Present Tense一般现在时一般现在时The Simple Past Tense 一般过去时一般过去时一般现在时一般现在时1）表示事物或人物的特征或状态。）表示事物或人物的特征或状态。eg. He is a student.2）表示经常性或习惯性的动作。）表示经常性或习惯性的动作。eg. He usually gets up at 6:30 in the morning. 标志词标志词: often, usually, on Sunday/ weekends. 一般过去时一般过去时1）表示）表示过去过去某个时间发生的动作或存在的某个时间发生的动作或存在的状态。状态。eg. I got up at 6:30 yesterday. （动作）（动作） I was at home last night. （状态）状态）2）表示）表示过去过去经常性或习惯性发生的动作。经常性或习惯性发生的动作。eg. He usually got up at 6:30 last year. 标志词：标志词： yesterday及相关短语及相关短语昨天上午昨天上午/下午下午/晚上晚上yesterday morning/afternoon/evening “last + 时间状语时间状语”构成的短语构成的短语昨晚昨晚/上个月上个月/去年春天去年春天/去年去年last night/month/spring/year “一段时间一段时间+ago”组成的短语组成的短语三天三天/四年以前四年以前 “介词介词+ 过去时间过去时间名词名词”组成的短语组成的短语在在1999年年 在在2010年年12月月25号上午号上午on the morning of December 25th, 2010three days ago/ four years agoin 1999 一般时态的句型转换:肯定肯定句句否定否定句句一般一般疑问句疑问句及回答及回答 动词动词be一般现在时一般现在时 一般过去时一般过去时He is a doctor.He was a doctor.Is he a doctor? Was he a doctor?Yes, he is./No, he isnt.Yes, he was./No, he wasnt.He isnt a doctor.He wasnt a doctor.(am, is, are) (was, were）He can play soccer.情态动词情态动词一般现在时一般现在时 一般过去时一般过去时He could play soccer.He cant play soccer.He couldnt play soccer.Can he play soccer?Could he play soccer?Yes, he can./No, he cant.Yes, he could./No, he couldt.(can) (could）行为动词行为动词一般现在时一般现在时 一般过去时一般过去时 He works here.He worked here.Does he work here?Did he work here?Yes, he does./ No, he doesnt.Yes, he did./ No, he didnt.He doesnt work here.He didnt work here.(原形/三单) (过去式)主语是主语是第一、二人称或第三人称复数第一、二人称或第三人称复数时，谓语动词用时，谓语动词用原形原形；否定句：在谓语动词前否定句：在谓语动词前 dont；一般疑问句：从原形中提出一般疑问句：从原形中提出do至句首；至句首； 主语是主语是第三人称单数第三人称单数时，谓语动词用时，谓语动词用第三人称单数形式第三人称单数形式 (+s/es)；否定句：在否定句：在三单三单前加前加doesnt，三单，三单变原形变原形； 一般疑问句：从三单中提出一般疑问句：从三单中提出does至句首，三单至句首，三单变原形变原形。1、一般动词后加、一般动词后加s， 如：如： plays, works, makes2、以、以 s, x, ch, sh, (o )结尾，后加结尾，后加es. 如：如：watches, goes3、辅音字母、辅音字母+y结尾的单词结尾的单词,去去y,加加ies, 如：如：worries, studies主语不论主语不论人称人称，谓语动词一律用，谓语动词一律用过去式过去式；否定句：在过去式前否定句：在过去式前 加加didnt, 过去式过去式变原形变原形；一般疑问句：从过去式中提出一般疑问句：从过去式中提出did至句首至句首, 过去式过去式变原形变原形； 变化规则变化规则例词例词一般在词尾加一般在词尾加- ededplayplayed以以e e结尾的，只加结尾的，只加- -d dlike likedlove loved以辅音字母以辅音字母+y +y 结尾的，结尾的，变变y y为为i i , ,再加再加- ededstudy studiedcarry carried以一个辅音字母结尾的以一个辅音字母结尾的重读闭音节，先重读闭音节，先双写双写这这个辅音字母，再加个辅音字母，再加- -ededstop stoppedplan plannedThe Simple Present Tense 一般现在时一般现在时The Simple Past Tense 一般过去时一般过去时用用法法例例句句1.现在的状态现在的状态2.经常的或习惯性的经常的或习惯性的动作动作1.过去某个时间存在的状态过去某个时间存在的状态2.过去经常或反复发生的动作过去经常或反复发生的动作3.过去某个时间发生的过去某个时间发生的动作动作I get up at 6:00 every day.He goes to school on foot.His brother is ill now.I got up at 6:30 yesterday.He went to school by bike last year.His brother was ill yesterday. 含有动词的句型一般过去时表示过去时间内某人某物存在的状态，性质等eg:I was a teacher last year . She was a singer last year .They were happy last year .一般现在时表示某人某物现在的状态，性质等eg:I am a teacher now.She is a singer.They are happy. （用 last year 改写）含实义动词的句型(主语是第一，二人称及第三人称复数）一般现在时用来表示习惯性，经常性发生的动作eg:I go to work by bus every day.You watch TV every night.We play basketball on weekends.They have lessons every morning.主语主语动词原形动词原形其他其他一般过去时用来表示在过去时间里发生的动作eg: I went to work by bus yesterday.You watched TV last night.We played basketball last weekend.They had lessons two days ago.主语主语动词过去式动词过去式其他其他主语是第三人称单数（肯定句）He goes to work by bus every day.She watches TV every night.Li Ming plays basketball on weekends.It snows every winter. 主语主语动词动词三三单单其他其他He went to work by bus yesterday.She watched TV last night.Li Ming played basketball three days ago.It snowed last winter. 主语主语动词过去式动词过去式其他其他主语是第一，二人称及第三人称复数（否定句）I do not go to work by bus every day.You do not watch TV every night.We do not play basketball on weekends.They do not have lessons every morning.主语do not + 动词原形 +其他 I did not go to work by bus yesterday. You did not watch TV last night. We did not play basketball last weekend. They did not have lessons two days ago.主语did + not+动词原形 其他主语是第三人称单数（否定句）He does not go to work by bus every day.She does not watch TV every night.Li Ming does not play basketball on weekends.It does not snow every winter.主语does not+动词原形 +其他He did not go to work by bus yesterday.She did not watch TV last night.Li Ming did not play basketball 3 days ago.It did not snow last winter. 主语did not + 动词原形 +其他1. I speak English.2.We like maths.3.They went swimming last Sunday.4.He got up very early this morning.5.The panda eats bamboo.I dont speak English.Do you speak English? Yes, I do/ No ,I dont.We dont like maths.Do you like maths? Yes, we do/ No , we dont.They didnt go swimming last Sunday.Did they go swimming last Sunday? Yes ,they did.He didnt get up very early this morning.Did he get up very early this morning? No, he didnt.The panda doesnt eat bamboo. Does the panda eat bamboo? Yes, it does/ No, it doesnt.PRACTISE改写句子：1、Lucy did her homework at home. （改否定句） Lucy _ _ her homework at home.2、He found some meat in the fridge. （变一般疑问句) _ he _ _ meat in the fridge?3、She stayed there for a week. （对划线部分提问） _ _ _ she _ there?4、There was some orange in the cup. （变一般疑问句) _ there _ orange in the cup? didnt do Did find any How long did stay Was any时态时态现在进行时：现在进行时：一般现在时：一般现在时：一般过去时：一般过去时：现在正在现在正在进行进行的动作的动作 经常经常或或习惯性习惯性的动的动作或存在的状态。作或存在的状态。过去过去某个时间或时间段发某个时间或时间段发生的动作或存在的状态。生的动作或存在的状态。(The Present Continuous Tense)(The Simple Present Tense)(The Simple Past Tense)各时态常用的信息词现在进行时：一般现在时:一般过去时: now , Look! Listen! at this time Where is ? Dont talk! Its 8:00am. always , usually, often, sometimes ,seldom, never, every day, every ,three times a day last night, last, two days ago, ago, in 1999, in +过去过去的年份的年份, just now =a moment ago, yesterday, yesterday morning DoDoesDid改一般疑问句的方法：首先看有无首先看有无be动词，如果有，将动词，如果有，将be动词提至句首。动词提至句首。如果没有如果没有be动词，看原句的动词形式来决定提出动词，看原句的动词形式来决定提出助动词助动词do/does/did,并且并且行为动词要变为原形行为动词要变为原形。V-原形原形V-s/esV-ed(过去式过去式)+动词原形?改否定句的方法：首先看有无首先看有无be动词，如果有，在动词，如果有，在be 动词后面加动词后面加not.如果没有如果没有be 动词，看原句的动词形式来决定前面加动词，看原句的动词形式来决定前面加助动词助动词do/does/did,并在助动词并在助动词后加后加not,并且并且行为动词要还原行为动词要还原。主语主语+dont/doesnt/didnt+动词原形动词原形现在分词现在分词 的构成：的构成：动词第三人称动词第三人称单数的构成：单数的构成：过去式过去式的构成：的构成：直接加直接加-ing.以不发音的以不发音的e 结尾，去结尾，去e加加-ing .重读辅元辅，双写尾字母加重读辅元辅，双写尾字母加-ing.直接加直接加-s.以以s, x, ch, sh, o结尾加结尾加-es.以以“辅音辅音+y “结尾变结尾变y 为为i再加再加-es.直接加直接加-ed.以以e结尾只加结尾只加d.重读辅元辅，双写尾字母再加重读辅元辅，双写尾字母再加-ed.以以“辅音辅音+y”结尾变结尾变y 为为i 再加再加-ed. 对比对比时态时态动词形式动词形式否定句否定句一般问句一般问句现在进现在进行时行时 一般现一般现在时在时一般过一般过去时去时表格对比学习表格对比学习be+v-ing(现在分词）现在分词）在在be 后后加上加上not Be提到提到句首句首V -原形原形V-三单三单在行为在行为v.前借用前借用do ,does后加后加not，行为动词还原行为动词还原Do,Does 提到句首，提到句首，行为动词行为动词还原还原V-ed(过去式）过去式）在行为在行为v.前借前借用用did后加后加not，行为动词还原行为动词还原Did 提到句提到句首，行为首，行为动词还原动词还原判断下列信息词是属于哪种时态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 alwaysin 1897 three times a week 一般现在时一般过去时现在进行时判断下列信息词是属于哪种时态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 alwaysin 1897 three times a week 一般现在时一般过去时现在进行时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 every afternoon.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 went1.It (rain) hard now. It (rain) quite often in March.2.Where is she? She (show) the visitors around the city.3. What Li Lei (do) last night?4. My parents (work) five days a week. 5. There (be) three bottles of orange on the table just now. is raining rainsis showingdiddoworkswere