实义动词的一般过去时一般过去时，陈述过去事，句中动词要变过去式。be动词am/is的过去式是was,are的过去式是were.情态动词can的过去式是could.学习实义动词的一般过去时1What______(be)itlikebefore?2They________(be)inAmericalastyear.3----Where_______(be)youborn?----I______(be)borninXianning,China.4I____(can)playbasketballverywellnow.Butthreeyearsago,I____(cannot)doitatall.5----When______(be)sheathome?-----Anhourago.6Jim______(benot)atschoolyesterday7Whenhewasten,he_____(can)swimverywell.口诀：时间状语表过去，彼此相关不分离。肯定变否定，主语后面添didn’t。was或were更简单，后面加上not就可行了。Did(was/were)位于主语前，一般疑问句马上现。特殊疑问句也不难，疑问词加在一般疑问句前。切记过去式见了did要还原。一．句型结构1、肯定句结构为：主语+动词的过去式+其他e.g.ShewatchedTVlastnight2、否定句结构为：主语+didnot/didn’t+动词原形+其他e.g.Shedidnot/didn’twatchTVlastnight.3、一般疑问句及其回答结构为：Did+主语+动词原形+其他？肯定回答：Yes,主语+did.否定回答：No,主语+didn’t---DidshewatchTVlastnight?----Yes,shedid./No,shedidn’t.4、特殊疑问句结构为：疑问词+一般疑问句。ShewatchedTVlastnight.Whatdidshedolastnight?5动词过去式的规律①一般情况+ed②以不发音的e结尾的+d③以辅音字母+y结尾的,变y为i+ed④末尾只有一个辅音字母的重读闭音节词,先双写辅音字母,再加ed⑤不规则动词的过去式参见英语书最后一页二时间标志：使用一般过去时的判断标志：1yesterday和yesterday词组,如：yesterdaymorning/afternoon/evening.2last词组，如：lastweek/month/year/Sunday。3in+过去的时间，如：in1999/2000/20124ago词组，如：threehoursago/twodaysago/fiveyearsago/amomentago(=justnow).5before/whenshe…wasfive等。6句中有频率副词但有过去时间限制。练习：一把下列句子改为否定句、一般疑问句并进行肯否定回答、然后针对划线部分提问。1.TheyhadabirthdaypartyforJimathome2.Hismotherwasinthehospitalyesterday.3.Hecoulddriveacarattheageofsixteen.二用所给动词的正确形式填空。1We______(go)tothezooand____(see)alotofanimalslastSunday.2.____Maria______(listen)tomusicyesterday?3.----What____they____(do)anhourago?----They_______(watch)TVathome.4.He_____(notsing)anEnglishsongattheparty,she______(perform)amagictrick.5.It______(notbe)likeaflowerbefore,it____(be)likeastar.6.WhenIwasfive,I______(canswim).7.Heusually______(walk)toschoollastterm,butnowheusually_____(take)abus.
