UnitOneThisisme!ThesimplepresenttenseTousethesimplepresenttensewhenwetalkabout:Thingsaretruenow.目前存在的事实Thingsthatwedoregularly.经常做的事Thingsarealwaystrue.客观存在的事实3Doyouthinktheyarealwaystrue?1.Catseatfish.(猫吃鱼。)2.Thesunrisesintheeast.(太阳从东方升起。)Doyouthinktheyaretruenow?2.Danielwearsglasses.(丹尼尔戴眼镜。)1.WestudyChinese,EnglishandMaths.(我们学习语文、英语和数学。)Aretheythingsthatpeopledoregularly?1.Shedoesherhomeworkintheevening.(她晚上做家庭作业。)2.Hetakeshisdogforawalkeveryday.(他每天遛狗。)动词为“be”时，一般现在时的构成:1.主语为第一人称单数I时，be动词用am.Iam12yearsold.(Iam=I’m)2.主语为第二人称(you),第一人称复数(we)以及第三人称复数(they)时，be动词用are.We/They/Youarestudents.(weare=we’re;youare=you’re;3.当主语为第三人称单数(he,she,it)时，be动词用is.He/She/Itishappyinthepark.(heis=he’s;sheis=she’s;itis=it’s)注意:①be与主语的搭配。我(I)用am,你(you)用are,is跟着他(he)她(she)它(it)。Iam=I’mYouare=You’reHeis=He’sSheis=She’sWhatis=What’sItis=It’sisnot=isn’tarenot=aren’tMynameis=Myname’s注意:②be动词am，is，are与其前后词的合写。动词为be动词时，一般现在时的否定和疑问构成:否定句：主语+am/is/are+not+其它成分.疑问句：Am/Is/Are+主语+其它成分？回答：Yes,Iam/weare/youare/theyare/heis/sheis/itis.No,I’mnot/wearen’t/you’renot/theyaren’t/he’snot/sheisn’t/it’snot.选用am,is,are完成下列句子。1.I____aChineseboy.2.Annie______Simon’scousin.3.We______fromShanghai.4.You______mybestfriends.5.MillieandI____inthesameclass.6.KittyandAmy____happyhere.7.Andy’sbrothers_____notinChina.8.Thisismydog.It_____verylovely.amisareareareareareisWemakesentencesinthesimplepresenttenselikethis.当主语为第一人称(I,we),第二人称(you),第三人称复数(they)时,其构成为：主语+行为动词原形+其它成分。如：Theytalktoeachotheratlunchtime.KittyandIlikereadingstorybooks.2.当主语为第三人称单数(he,she,it)时,其构成为：主语+行为动词的第三人称单数形式+其它成分。如：Hetakeshisdogforawalkeveryday.Danielwearsglasses.当主语是第三人称单数时，谓语动词的形式需做以下变化。...
