1.一般现在时

　　MynameisBob.Iamamiddleschoolstudent.Ilikeplayingchessandreading.Therearefourpeopleinmyfamily.Myfatherisfortyyearsold.Heisanactor.Helikessingingandreading.Mymotherisanengineer.Shelikesreadingandrunning.Mysisterisanurse.ShelikeswatchingTV.Bothmyparentsandsisterlikemeverymuch.OfcourseIlikethem,too.Ireallyhaveahappyfamily.

　　2.一般将来时

　　Duringthesummerholiday,Iwillstudyharder.First,Iwillgetupearlyinthemorning,thenIwillreadEnglishbook,andspeakloudoutside.ThenIwilldomathsexercise.Intheafternoon,Iwilldosomesports,likeping-pong,football,basketballandsoon.MaybeIwillgotravaltosomewhere,SuchasHainan,Shanghaiandsoon.OfcourseIwillhelpmyparentswiththehousework.

　　3.般过去时

　　IhadahappysummerholidaybecauseIdidmanyinterestingthings.IwenttothebeachandIswaminthesea.Icalledmyfriendandplayedwiththem.Ivisitedmygrandparentsandatemuchdeliciousfood.

　　ThenIwenttothezoowhitmyparents.Iwasveryhappy.BecauseIsawalotofanimals.Theywereverylovely.SoItookphotosofallanimals.Ilikedthebutterfliesbest.Theywerecolourfulandbeautiful.Ialsohelpedmyparentswiththehousework.

　　4.现在进行时

　　It'sfouro'clockintheafternoon.Iaminthepark.Therearelotofpeoplethere.Someoldmenareflyingkits.Someyoungmenaretakingphotosinfrontoftheflowers.Alotofpeopleareboating.Look,manypeopleareclimbingthemountain.Iamstandingunderabigtreeandwatchingsomepeopleplayingchess.