九年级英语全册 Unit 7 Teenagers should be allowed to choose their own clothes语法归纳与练习课件 （新版）人教新目标版.ppt

单元语法归纳与练习 含有情态动词的被动语态 含情态动词的主动语态变被动语态的变化步骤 以should为例 见下图 单项选择 1 what sthemeaningoftheactivity let ssave papershouldn tineverydaylife a wasteb wastedc bewastedd iswasted 2 tomisalwayscarelesswithhisschoolwork couldyouhelphim noproblem ithinkhetothinktwicebeforestarting a shouldbetoldb cantellc shouldtelld canbetelling c a 3 foodsafetyisveryimportant sosomerulestostoppeoplefrompollutingfood a mustmakeb mustbemadec mustmaded bemade 4 thankstotheinternet differentkindsofusefulinformationinashorttime a canbecollectedb hasbeencollectedc cancollectd hascollected 5 aseveryoneknows rubbisheverywhere a needbethrownb mustn tbethrownc can tthrowd maythrow b a b 句型转换6 nobodycananswerthequestion 改为同义句 thequestionansweredbyanybody 7 weshouldcleanourteethtwiceaday 改为被动语态 ourteethshouldtwiceaday 8 canyoutakegoodcareofthechildren 改为被动语态 thechildrengoodcareofbyyou 9 theclassroommustbecleanedafterschool 对画线部分提问 theclassroom 10 wemustwashourhandsbeforemeals 改为被动语态 ourhandsbeforemeals can t be be cleaned can be taken when must be cleaned must be washed 1 westopped buttherewasnotanysound a tolistenb listensc listend listening 2 idon tthinksixteen year oldstodrive iagree theyaren tseriousenoughatthatage a canallowb needbeallowedc shouldallowd shouldbeallowed 易错提醒 1 句意 我们停下来 但没有任何声音 stopdoingsth 表示 停止 手中正在 干的事 而stoptodosth 则表示 停下来去干另一件事 2 句意