八年级英语下册Unit2I'llhelptocleanupthecityparks语法专题_GrammarFocus习题课件新版人教新目标版.ppt

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1、Unit2　I'llhelptocleanupthecityparks.八年级下册英语（人教版）单元语法专题—GrammarFocus在英语中，有些动词通过在后面加上介词、副词或其他词表达特定含义，这样的短语称为短语动词，其作用和动词差不多。有些短语动词相当于及物动词，有些则相当于不及物动词。短语动词的构成主要有以下几种形式：►动词＋介词常见的有askfor，agreewith，beginwith，callon，careabout，dealwith，laughat，takeafter，workon等。这类短语动词的宾语放在介词后。如：Wehavetolookafterourselve

2、swhenweareawayfromhome.►动词＋副词常见的有cheerup，cleanup，fixup，giveup，lookup，handin，takeoff，turnon/off/up/down等。这些短语动词的宾语是名词时，置于副词前后均可；若宾语是代词，则只能置于动词和副词之间。如：Turnoffthelight,please./Turnthelightoff,please.Shelooksreallyupset.Let'scheerherup.►动词＋副词＋介词常见的有catch/keepupwith，comeupwith，dowellin，geton/alongwi

3、th，lookforwardto，runoutof，stayawayfrom等。这类短语动词的宾语只能放在介词后。如：Whatifyourunoutofallyourpocketmoney?►动词＋名词＋介词常见的有makefunof，makeuseof，payattentionto，takecareof，takepartin，takepridein等。这类短语动词的宾语只能放在介词后。如：Youmustpayattentiontoyourspelling.►be动词＋形容词＋介词Mysisterisgoodatdancing.1．动词不定式的结构动词不定式由“to＋动词原形”构成，

4、没有人称和数的变化，在句子中不能单独作谓语。动词不定式的肯定形式是todosth.，否定形式是nottodosth.。2．动词不定式的功能动词不定式具有名词、形容词和副词的特征，因此在句中可作主语、宾语、宾语补足语、定语和状语等。如：Iwanttogoshoppingwithyou.Ihavesomethingimportanttotellyou.Shegotupearlytocatchthetrain.一、用括号内所给单词的适当形式填空。1．Don'tforget____________(lock)thedoorwhenyouleave.2．Wouldyoulike________

5、___(go)andhaveapicnicwithustomorrow?3．Ioftenhearthegirl_________(play)thepianointhenextroom.4．Canwe_________(put)offthemeetingtillnextMondaymorning?5．Wouldyouplease__________(give)outtheexampapers?tolocktogoplayputgive二、单项选择。6．(成都中考)OurEnglishteacherwantsus_______Englishstoriesoutofclass.A．read

6、B．readingC．toread7．(河南中考)ThebossaskedTimtogoand_______outiftherewasanyoneelseabsent.A．findB．findingC．tofindD．foundCA8．Shecamehere________hergrandparents.A．visitB．tovisitC．visitingD．visited9．济宁中考)Xiong'anNewAreawillhelp________bigproblemsinBeijing，suchastrafficjams.A．setoutB．checkoutC．workoutD．g

7、iveoutBC10．ThegovernmentofChina________theideaofABeltandARoadin2013.A．cameupwithB．cheeredupC．putupD．tookupA三、用括号内所给单词的适当形式填空，使短文完整、通顺。YesterdaymysisterandIwent11._________(buy)somethingforherbirthday.Shedidn'treallyknowwhat12.____