一般过去时态专题.ppt

一般过去时专题,1.一般过去时的意义：表示过去某个时间发生的动作或存在的状态，也可以表示过去经常或反复发生的动作。2.标志：过去的时间，例如a few days/weeks/months ago,yesterday,last year,in those days,just now,in 1990 等表示过去的时间状语连用。3.结构,动词的过去式,is/amare,was,were,1.be 动词,2.情态动词,can,could,3.行为动词的过去式,(I)规则变化形式,词尾+-ed:played 以e结尾,直接+d:danced,lived重读闭音节且结尾只一辅音字母，双写+ed:stopped,planned 辅音+y,把y变为i,再+-ed:studied,worried,3.行为动词的过去式,(2)不规则变化形式,do,did,sing,sang,不规则变化:见P147不规则动词表每天至少记三个。,附：不规则动词分类记忆表1 只改变动词的元音字母 begin began drive drove ride rode come came drink drank sit sat sing sang give gave get got know knew run ran draw drew write wrote swim swam,2、只改变动词的辅音字母make made send sent spell spelt 3、动词原形与过去式相同 cost cost hurt hurt let let put put read read,4、动词的过去式以ought或aught结尾 buy bought think thought bring brought teach taught 5、在原单词后加一个辅音字母 burn burnt learn learnt mean meant 6、去掉一个元音字母 meet met speed sped7、其它 stand stood take took can could sleep slept keep kept be was/were do did eat ate fly flew go went have had lose lost say said find found see saw speak spoke tell told,（二）一般过去时的构成：,1.有be的句子 am/iswas arewere eg.肯定句：He was a cook 2 years ago.They were at school yesterday.否定句：He was not a cook 2 years ago.They were not at school yesterday.一般疑问句：Was he a cook 2 years ago?Yes,he was.No,he wasnt.Were they at school yesterday?Yes,they were.No,they werent.,实义动词,一般过去时的几种句型 肯定句：主语+动词的过去式+其他.Example：He went to the toy store yesterday.否定句：主语+did not(didnt)+动词原形+其他.Example：He didnt go to the toy store yesterday.一般疑问句：Did 主语 动词原形 其他？Example:-Did you go to Beijing last week?-Yes,we did.(No,we didnt.)特殊疑问句：疑问词did 主语动词原形其他？Example:What did you do last night?,2.有行为动词的句子。助动词；do/does-did 否定；did-didnteg;肯定句；He played basketball ball one year ago.否定句；He _ _basketballball one year ago.一般疑问句；_ he _ basketball one year ago?Yes,he_.No,he_.,didnt play,Did,play,did,didnt,把下列单词变为过去式，请注意变化规律。,1.play-2.look-3.miss-4.perform-5.live-6.hope-7.help-8.dance-,9.study-10.worry-11.stop-12.plan-13.am-14.can-15.sing-16.are-,played,looked,missed,performed,lived,hoped,danced,studied,worried,stopped,planned,was,could,sang,were,helped,把下列句子变为否定句1.I played the guitar.2.She studied in China last year.3.He sang an English song.4.Kangkang performed kung fu.,Kangkang didnt perform kung fu.,She didnt study in China last year.,He didnt sing an English song.,I didnt play the guitar.,把下列句子变为一般疑问句并作肯定、否定回答：1.I played the guitar.2.She danced at the party.3.He sang an English song.4.Kangkang performed kung fu.,Did Kangkang perform kung fu?Yes,he did./No,hedidnt.,Did she dance?Yes,she did./No,she didnt.,Did he sing an English song?Yes,he did./No,he didnt.,Did you play the guitar?Yes,I did./No,I didnt.,特殊疑问句,I played the guitar yesterday.（划线提问）_ _ you _ yesterday?2.I did my homework at school last night.(划线)_ _ you _ at school last night?3.I did my homework at school last night.(划线)_ _ you _ your homework last night?,What did do,What did,do,Where did,do,构成：疑问词+did+主语+其它?,用所给动词适当形式填空.1.Jane_(play)the guitar yesterday.2.I _(play)the piano last night.3.He _(go)to school at 7:20 yesterday.4._ you _(do)your homework at home yesterday?5.The twins _(be)born in Fuzhou.6.Jim _(not go)shopping yesterday.,played,went,Did,do,were,played,didnt go,把下列句子变为否定句1.I played the guitar.2.He sang an English song.3.Kangkang performed kung fu.,Kangkang didnt perform kung fu.,He didnt sing an English song.,I didnt play the guitar.,把下列句子变为一般疑问句并作肯定、否定回答：1.I played the guitar.2.He sang an English song.3.Kangkang performed kung fu.,Did Kangkang perform kung fu?Yes,he did./No,hedidnt.,Did he sing an English song?Yes,he did./No,he didnt.,Did you play the guitar?Yes,I did./No,I didnt.,