小学英语过去式.doc

小学英语过去式过去时通常表示在的过去某个时间里所发生的动作或存在的状态。通常在句子里能找到表示过去时间的词或词组。如：yesterday，yesterday morning，yesterday afternoon，yesterday evening，the day before yesterday（前天），last night，last week，last month， last year，a moment ago（刚才），just now（刚才）， two days ago，a week ago，in 1990等。如： I went to bed at eleven last night. 昨晚我11：00睡觉。动词过去式的构成规律(一)规则动词的过去式1一般情况下，在动词原形后面加-ed；looklooked playplayed startstarted visitvisited2以不发音e结尾的动词，在词尾直接加-d；livelived useused3以“辅音字母+ y”结尾的动词，先将 y 改为i ,再加 ed；studystudied, trytried flyflied4以重读闭音节（即辅音元音辅音）或r音节结尾，末尾只有一个辅音字母的动词，要先双写这个辅音字母后，再加 ed。stopstoppedplanplanned, preferpreferred(二)不规则动词的过去式1改变动词中的元音；beginbegan drinkdrank comecame eatate growgrew runran knowknew winwon speakspoketaketook writewrote getgot2变词尾的d 为t ；buildbuilt lendlent sendsent spendspent bendbent3与动词原形一样；cutcut putput costcost hurthurt shutshut4变-ay 为-aid (少数动词)；saysaid paypaid laylaid5采用不同词根；sellsold teachtaught buybought6其他。am/iswas arewere have/hashad dodid过去式句子结构1在表示某个时间里存在的状态的句子，系动词用过式was，were构成。如：（1）I was at home yesterday.昨天我在家。（2）We were in the gym just now. 刚才我们在体育馆。2在表示过去某个时间里发生的动作，用动词的过去式构成。如：I visited my uncle yesterday. 昨天我拜访了我的叔叔。3各种句式（1）一般过去时的肯定陈述句：主语动词过去式宾语或表语。He worked in Shanghai ten years ago.（2）一般过去时的否定句：a主语didnt动词原形宾语。(did + not = didnt)He didnt do morning exercises yesterday.b主语wasnt/werent表语。(was + not = wasnt were + not = werent)He wasnt an English teacher ten years ago.（3）一般过去时的一般疑问句：aDid主语动词原形宾语？Did you study English in 1990 ?bWas/Were+主语表语 ？Was he a pupil five years ago ?（4）一般过去时的特殊疑问句：a特殊疑问词did+主语动词原形宾语？Where did your parents live five yea