四年级第一单元(Grade4U
it1)知识点汇总1Letsbdosth让某人做某事例如:LetmehelpyouLetusgoletuslet’s2clea
v打扫,清洁例如:clea
thewi
dow擦洗窗户clea
theclassroom打扫教室clea
theboardblackboard擦黑板clea
thefishbowl擦洗鱼缸clea
thedesk擦桌子adj干净的,清洁的→dirtyadj脏的,脏乱的例如:Ourclassroomisveryclea
3Whereisaresth某物在哪里?例如:WhereismybookWhereishispe
Whereareherfrie
dsWherearetheirchairs4ope
thedoortur
o
thelightsweepthefloorclea
thewi
dowputupthepictureclea
theboard5表示拥有have和therebe句型的用法通常,表示某人拥有某物时,用have我有一只小猫。他有一台电脑。他们有一些书。表示某处有某物,客观地陈述某物位于某地,可以用Therebe句型(be在这里有is和are两种形式)教室里有一块黑板。教室里有六盏灯。大街上有许多人。6havealook看一看lookatsth看……(强调“看”的动作)see(强调看到的具体内容)例如:MayIhavealook
fLookatthatcarPleaselookattheteacherIseeacutedog7表示位置时介词i
o
at的用法i
在……里,在……(较大的地方)在土里在房子里在中国在西安O
在……上在桌子上在操场上At在……(较小的地方)在家8ExcusemeAfteryou9thisthatthesethose的用法thisadj后可接单数名词Thisdogiscute
Thisismydeskthatadj后可接单数名词Thatwoma
ismymother
Thatismycuptheseadj后可接复数名词Thesebooksareveryi
teresti
g
TheseareourbooksThoseadj后可接复数名词Thosetreesaregree
Thosepicturesare
ice
☆应用:Whatisi
yourbagWhatiso
thedeskWhoarei
theroomWhatareo
theplaygrou
d
fr