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1、Welcome倍数表达法（1）倍数+as+原级+as+被比对象ExamplesThistreeisthreetimesastallasthatone.这棵树是那棵树的三倍高。Hisfatheristwiceasoldashe.他父亲的年纪有他两倍大。（2）倍数+比较级+than+被比对象ExamplesTheYangtzeRiverisalmosttwicelongerthanthePearlRiver.长江差不多比珠江长两倍。Thedictionaryisexactlyfivetimesmoreexpensive
2、thanthatone.这本字典比那本恰好贵5倍。（3）倍数+the+表数量大小的名词+of+被比对象或that/thoseofExamplesThenewlybroadenedsquareisfourtimesthesizeofthepreviousone.新扩建的广场是未扩建时的四倍大。Theroomsinthishotelaresixtimesthoseofthesmallinn.这间酒店的房间是小客栈的六倍多。副词的位置We___ourbreakfastwhenanoldmancametothedoor.A
3、.justhavehadB.havejusthadC.justhadhadD.hadjusthad频率副词always,often,frequently,seldom,never,ever,usually,rarely,occasionally,nosooner,hardly,scarcely等以及just,shortly等其他副词必须放在助动词、情态动词或be动词与实义动词之间。在省略结构中，这些副词必须放在助动词，情态动词或be动词之间。程度副词的位置HowIwishJohnrecognizedthefactt
4、hathe___inthewrong.A.isalwaysnearlyB.alwaysisnearlyC.isnearlyalwaysD.nearlyisalways程度副词的位置通常放在所修饰的词前面,如very,much,almost,hardly,nearly，awfully,fairly,rather等。但enough必须放在所修饰词的后面。频率副词的位置SanFranciscoisusuallycoolinsummer,butLosAngeles___.A.israrelyB.hardlyisC.rare
5、lyisD.isscarcely频率副词如always,usually,never,ever,just,shortly,seldom,hardly,scarcely,nosooner,rarely,occasionally常放在助动词、情态动词、或be动词后或实义动词之前，但在省略结构中，必须置于助动词，情态动词或be动词之前。评注性副词的位置Not___,theprocessofchoosingnamesvarieswidelyfromculturetoculture.A.obviouslyB.particula
6、rlyC.surprisinglyD.normally对全句进行修饰的评注性副词如actually,fortunately,surely,certainly,briefly通常放在句首，并用逗号隔开。ThankYou!
