动词的时态形间过去过去将来现在将来一般进行完成完成进行Thetensesoftheverbat8:00yesterday,whenthebellrang,between5:00and8:00lastSunday关健字2
Theywerehavingfunthesedays
WhatwashedoingwhentheUFOarrived
结构定义进行关健字2
AttheageoffiveIswamwell
LastyearmyEnglishclasswasdifficult
结构定义一般过去时间形态S+was/wereS+V过去时S+wasn’t/weren’tWas/Were+S…
ago,last,in1992,thismorning,yesterday,once,oneday,whenIwasyoung,attheageof具体时间或地点(atthecinema)表示过去经常性的或一次性的状态或动作
(强调发生的时间或地点)表示过去某时刻或某阶段正在发生的动作
waswereS+doingS+wasn’t/weren’tdoingWas/Were+S+doing…
S+didn’t+V原Didn’t+S+V原完成定义结构关健字表示过去某时间或某动作以前发生的动作
bythetimeIcameback,bytheendoflastterm,whenIgottothestation,beforehewenttobedIrealizedIhadleftmypurseathomewhenIreachedthecount
S+had+V过去分词S+hadn’t+V过去分词Had+S+V过去分词beV1
--Yourfatherisquiteagoodswimmer
--Sure,heis
Heoften________whenhewasyoung
swimsB