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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：Weoftenplaybasketballafterschool.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’tswimwell..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:runsgetslikescolletstakesplaysclimbs…….(2)结尾是s,x,sh,ch,o,前为辅音字母,结尾加es:watchesteachesgoesdoeswashescrossesmixesbrushes(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:buyssays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)yourteetheverymorning?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?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）_______________________________________________________3.GaoShan’ssisterlikesplayingtabletennis（改为否定句）_______________________________________________________4.ShelivesinasmalltownnearNewYork.（改为一般疑问句）_______________________________________________________5.IwatchTVeveryday.（改为一般疑问句）_______________________________________________________6.Wehavefourlessons.（改为否定句）_______________________________________________________7.Nancydoesn’trunfast（改为肯定句）_______________________________________________________8.Mydogrunsfast.（改为否定句）_______________________________________________________9.Mikehastwolettersforhim.一般疑问句：____________________________________________否定句:_______________________________________________10.IusuallyplayfootballonFridayafternoon.否定句:_______________________________________________一般疑问句:___________________________________________划线提问：______________________________________________11.SuYangusuallywashessomeclothesonSaturday.否定句:_______________________________________________一般疑问句:___________________________________________划线提问:_____________________________________________12.Mingmingusuallywaterstheflowerseveryday.否定句:_______________________________________________一般疑问句:___________________________________________13.Tomdoeshishomeworkathome.否定句:_______________________________________________一般疑问句:___________________________________________一般现在时练习题（２）一、用所给动词的真确形式填空1.Ilike____________(swim).2.He_________(read)Englisheveryday.3.We_________(go)toschoolatseveninthemorning.4.Mike________(go)toschoolatseveninthemorning.5.Mymother________(like)______(go)shopping.6.Ican________(draw)manybeautifulpictures.7.She_________(make)amodelplane.8.Doyou________(like)_________(run)?9.Doeshe_________(like)_________(jump)?10.DoesNancy_________(grow)flowersonSaturday?11.Theteachers________(like)___________(dance).12.Theteacher________(like)____________(dance).13.Thestudents___________(speak)Englishinclass.14.Thestudent_________(speak)Chineseafterclass.15.Let’s____________andplayfootball.(go)16.He_____________likeswimming.(not)17.I’msorry____________that.(hear)18.WangBingis____________(write)anE-mailtohisfriend.19.Hehas_____________aheadache.(get)20._________youstudyEnglishatschool?Yes,I___________.(do)21.__________yoursisterstudyEnglishatschool?No,she__________.(do)22.I’m_________better.(feel)23.Why__________Tomabsenttoday?(be)二、用所给的人称改写句子1.ItakephotosonSunday.(Mike)_______________________________________________________2.Wegrowbeautifulflowers.(she)_______________________________________________________3.Theylikecollectingstamps.(Ben)_______________________________________________________4.Ilistentomusiccarefully.(myaunt)_______________________________________________________5.Youlikemakingamodelship.(Helen)_______________________________________________________6.Wecleantheclassroomeveryday.(he)_______________________________________________________7.Theylookafterthepandas.(MrWang)_______________________________________________________8.Idrawatreeandsomeflowers.(Nancy)_______________________________________________________9.Wegotobedateight.(mysister)_______________________________________________________10.Ireadnewspapersintheevening.(MrGreen)_______________________________________________________小学现在进行时讲解及练习题1、概念：现在进行时表示说话时正在发生的事情或状态。2、结构：主语+be动词（am/is/