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1、小学英语一般现在时讲解及练习一.意义：表示经常发生的事情，动作或存在的状态二.构成及变化1.be动词的变化。肯定句：主语+be(am,is,are)+其它。如：Iamaboy.我是一个男孩。否定句：主语+be+not+其它。如：Heisnotaworker.他不是工人。一般疑问句：Be+主语+其它。 如：-Areyouastudent? -Yes.Iam./No,I'mnot.特殊疑问句：疑问词+一般疑问句。如：Whereismybike?2.行为动词的变化。l、当主语为第一，二人称及复数时，助动词为do肯定句：主语+动词原形(+其它)。如： Weoftenplaybasketball
2、afterschool.否定句：主语+don't+动词原形(+其它)。如：wedon’tplaybasketballafterschool.一般疑问句：Do+主语+动词原形+其它?如：Doyouoftenplaybasketballafterschooll? Yes,wedo./No,wedon't.特殊疑问句：疑问词+以do开头的一般疑问句？如：Whatdoyouoftendoafterschool?２、当主语为第三人称单数时,助动词为does肯定句：主语+动词三单式(+其它)。如：Heswimswell.否定句：主语+doesn’t+动词原形(+其它)。如：Hedoesn’tswi
3、mwell..一般疑问句：Does+主语+动词原形+其它。如：Doesheswimwell?Yes,hedoes./No,hedoesn't. 特殊疑问句：疑问词+以does开头的一般疑问句？如：Howdoesyourfathergotowork?三．第三人称单数的动词变化规则（只有在第三人称为主语的肯定句中，动词才用三单式）(1)多数动词直接加s:runs gets likes collets takes plays climbs…….(2)结尾是s,x,sh,ch,o,前为辅音字母,结尾加es: watches teaches goes does washes cross
4、es mixes brushes(3)动词末尾y前为辅音:将y改为i加es:study→studiesfly→fliescarry→carriescry→cries但在y前如果为元音则直接加s: buys says四．时间标志：always,usually,often,sometimes,every…一般现在时练习题（１）I.用下列单词的适当形式填空1.Weoften___________(play)intheplayground.2.He_________(get)upatsixo’clock.3.__________you_________(brush)yourteetheverym
5、orning?4.What________________(do)heusually________________(do)afterschool?5.Danny________________(study)English,Chinese,maths,scienceandArtatschool.6.Mikesometimes__________(go)totheparkwithhissister.7.Ateightatnight,she__________(watch)TVwithhisparents.8.________Mike________(read)Englisheveryday
6、?9.Howmanylessons_________yourclassmates________(have)onMonday?10.Whattime_________hismother_________(do)thehousework?II.句型转换1.Doyouoftenplayfootballafterschool?(改为肯定句)_______________________________________________________2.Ihavemanybooks.（改为否定句）__________________________________________________
7、_____3.GaoShan’ssisterlikesplayingtabletennis（改为否定句）_______________________________________________________4.ShelivesinasmalltownnearNewYork.（改为一般疑问句）_______________________________________________________5.IwatchTVeve
