一般现在时(SimplePresentTense)定义：表示通常性、规律性、习惯性、真理性的状态或者动作的一种时间状态。一、出现以下情况是用一般现在时：1)经常性、习惯性的动作或存在的状态。（当表示习惯性动作时，常与频度副词连用，常见的频度副词有always,often,usually,sometimes,hardlyever,never等。）e.g.Igotoschoolonfoot.Ioftendomyhomeworkat7:00.HeusuallygoestotheparkonSundaymorning.Heisverybusynow.2)表示主语的特征、性格、能力、爱好等。e.g.Hecanswim.Iworkhard.IlikewatchingTV.3)表示客观真理e.g.Therearesevendaysinaweek.Themoonmovesroundtheearth.二、一般现在时的句式变化：1、动词be联系动词be是表示谓语关系的动词，它的后面必须加表语（通常为名词、形容词或介词短语）。在一般现在时中，be动词有三种形式：肯定式否定式Iam...Youare...He/She/Itis...Iamnot...Youarenot...He/She/Itisnot...am(第一人称单数I)is(第三人称单数he,she,it)are(第二人称you以及第一、第三人称复数we，they）We/You/Theyare...We/You/Theyarenot...疑问式和简略答语AmI...?Yes,youare.No,youarenot.Arewe...?Yes,we/youare.No,we/youarenot.Areyou...?Yes,Iam.No,Iamnot.Areyou...?Yes,weare.No,wearenot.Ishe/she/it...?Yes,he/she/itis.No,he/she/itisnot.Arethey...?Yes,theyare.No,theyarenot.肯定式否定式其它I’m=IamYou’re=youareHe’s=heisShe’s=sheisIt’s=itisWe’re=weareThey’re=theyareAren’t=arenotIsn’t=isnotThat’s=thatisWhat’s=whatisWho’s=whoisWhere’s=whereisMyname’s=mynameis一、用be的适当形式填空1.---How____you?---I____fine.2.I___David,andmyfamilyname___Green.3.---Whatcolor___yourclock?---It___white.4.---What___thisinEnglish?---It___anapple.5.Toy___mybrother.David____mybrother,too.They___mybrothers.6.Look!These____appletrees.7.We____goodstudentsandyou____goodteacher.8.Mysisterandmybrother_____students.9._____theremanyeggsinthekitchen?10.____yourcardnumber5578?11.Where_____yourpencils?12.Thesesweaters______fiftydollars.13.Howmuch____hisjacket?14.Mybrother’sbirthday____December11th.15.When_____Kate’sbirthday?16、There_____aboyandtwogirlsbesidethegate.17、Fiveandthree____eight.二、.将下面的句子变成一般疑问句。1.Thatismyfootball.2.Thosearehisbooks.3.JimandTomaregoodfriends.4.MybirthdayisNovember1st.5.Hissonistwelveyearsold.三、将下面的句子变成否定句1.Hiscardisonthetable.2.Thesearemyparents.3.BobandTonyareourfriends.4.Thesethingsarefivedollars.5.Thegirlishissister.四、划线提问1.Ourteachersareintheclassroom.2.Thegirl’stelephonenumberis032-55746.3.Herpenisblack.4.September10thisTeachers′Day.5.Theyarethirteenyearsold.6.Theboyisfine.7.Theoldmanismygrandfather.8.Theseeggsarefiveyuan.2、实义动词do.1)表示动作，一般人称作主语的，变否定句须在动词前加助动词don’t；变一般疑问句须在句首加助动词do。E.g.肯定句Theyhavelunchat12:00.否定句Theydon’thavelunchat12:00.疑问句Dotheyhavelunchat12:00?2）单三人称做主语的，变否定句须在动词前加助动词doesn’t；变一般疑问句须在句首加助动词does。e.g.肯定句：Hegoestoschoolbybike.否定句：Hedoesn’tgotoschoolbybike.疑问句：Doeshegotoschoolbybike?实际操练1.Ihavemanybooks.（改为否定句）2.Tomdoeshishomeworkathome.否定句:一般疑问句：3.Mingmingusuallywaterstheflowers.否定句:一般疑问句4.SuYangusuallywashessomeclothesonSaturday.否定句:5.IusuallyplayfootballonFridayafternoon.否定句:一般疑问句：强化训练一、写出下列单词的第三人称单数形式1.work__________read__________clean__________write__________2.teach__________wash__________guess__________watch__________3.go__________do___________4.study__________fly__________cry__________play__________5.have_...
