PEP小学英语总复习—四种时态的区分与运用.ppt

PEP小学英语时态专题一
四种时态的区分小学的时态分几种？一、现在进行时现在分词的变法规律：1.I____(write,amwriting,iswriting,arewriting)aletternow.
2.Look,it_____(begin,isbeginning,ambeginning,arebeginning)torain.
3.They____(study,isstudying,amstudying,arestudying)medicineattheMedicalInstituteofChengdethesedays.
4.He_____(teach,amteaching,
isteaching,areteaching)anEnglishlessonatthistime.二、一般现在时：
1、概念：经常、反复发生的动作或行为及现在的某种状况。
2、标志词：
always,usually,often,sometimes,everyweek(day,year,month…),onceaweek,onSundays,etc.
3、基本结构：①be动词；②行为动词
e.g：Hegoestoschooleveryday.
Theygotoschooleveryday.
Heisateacher

当主语是第三人称时，谓语动词要用第三人称单数形式，加-s/es。除此之外都用动词原形。
动词第三人称单数形式变化规则
三、一般将来时1、There_____someshowersthisafternoon.
AwillbeBwillhave
CisgoingtobeDaregoingtohave
2、It____mybrother’sbirthdaytomorrow.She_____aparty.
Aisgoingtobe;willhaveBwillbe;ishaving
Cwillbe;isgoingtohaveDwillhave;isgoingtobe
3、LiMingis10yearsoldnow,nextyearhe_____11.
AisBisgoingtobeCwillbeDwilltobe
四、一般过去时1、概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。
2、标志词：
1）yesterday或以其构成的短语：yesterdaymorning(afternoon,evening)等；
2)由“last+一时间名词”构成的短语：lastnight,lastyear(winter,month,week)等；
3)由“时间段+ago”构成的短语：amomentago,
ashorttimeago,anhourago等；
4)其它：justnow等
3、基本结构：动词过去式
形式变化规则
不规则动词过去式1.He____(be,was,were,been)hereamomentago.
2.They____(be,was,were,been)herejustnow.
3.Thescientists_____(leave,leaves,leaved,left)forAmericayesterday.
4.Lastweekwe______(visit,visited)theScienceMuseum.
历年真题〔真题回顾〕课后思考与讨论