小升初英语四大时态复习定义时间状语或标志性词句型结构：肯定句一般疑问句否定句一般现在时表示习惯性的动作或状态alwaysoftenusuallysometimesnevereverydayonceaweektwiceamonth主语＋be（amisare）Iamhappytoday.Be（amisare）＋主语（把be动词提前）Areyouhappytoday?主语＋be（amisare）＋not(在be后加not)Iamnothappytoday.主语＋行为动词（原形／三单）HeoftenplaysfootballonSundays.Do／Does＋主语＋动原在句首加Do或Does(动词变原形）DoesheoftenplayfootballonSundays?主语＋donˊt／doesnˊt＋动原在主语后加donˊt或doesnˊt动词还原Hedoesn’tplayfootballonSundays.现在进行时正在发生的动作nowatthemomentatthistime主语＋be（amisare）＋现在分词Look!Amyisrunning.Heisreadingnow.Be（amisare）＋主语＋现在分词把be动词提前到首位其他照写。第一人称变为第二人称。Ishereadingnow?主语＋be（amisare）＋not＋现在分词(在be后加not)Heisnotreading.=Heisn’treading.一般将来时将来某个时刻发生的动作或状态nextSunday下一个周日intwohours两小时之后tomorrow明天thedayaftertomorrow后天主语＋will＋动原Iwillbeheretomorrow.Will＋主语＋动原(把will提前)如：Willyoubeheretomorrow?主语＋will＋not＋动原(在will后加not缩写won’t)Iwon’tbeheretomorrow.主语＋begoingto＋动原Sheisgoingtobuyabooktonight.Be+主语+goingto+动原(把be提前)Isshegoingtobuyabooktonight?主语＋be＋not＋goingto＋动原(在be后加not)Sheisnotgoingtobuyabooktonight.一般过去时过去发生的动作或状态lastholiday上一个假期twodaysago两天之前yesterdaythedaybeforeyesterdayjustnow主语＋be（waswere）Iwas11yearsoldlastyear.Be（waswere）＋主语(把be动词提前)Wereyou11yearsoldlastyear?主语＋be（waswere）＋not(在be后加not)Iwasnot11yearsoldlastyear.主语＋行为动词的过去式Iplayedthepianolastnight.Did＋主语＋动原在句首加Did动词还原Didyouplaythepianolastnight?主语＋didn′t＋动原在主语后加didn′t动词还原Ididn’tplaythepianolastnight.注意：1.变一般疑问句时，第一人称要变成第二人称I-youwe-youmy-yourour-yourme-youmine-yours.2.some用于肯定句，any用于否定句和疑问句。3.特殊疑问句是由特殊疑问词+一般疑问句构成。4.助动词提问用助动词回答，be动词提问用be动词回答，情态动词提问用情态动词回答。5.句中加入助动词dod...