2026外研版八下Unit 2【语法-被动语态二】(学生版)

Unit2Growingpainsandgains基本结构为“主语was/were动词过去分词（by动作执行者）”主语为单数（I/he/she/it）was，复数（we/you/they）时用were否定形式：主语was/werenot动词过去分词（by动作执行者）。Bobwasencouragedtotrainforthehighjump.（肯定句Connie'sabilityinswimmingwasnotnoticedbyothercoaches.（否定句Tomrepairedhissister’sbrokenbikelast Theoldbuildingwaspulleddownlast Theselettersweresenttothecustomersbythesecretary 主语was/were动词过去分词by动作执行者主语was/werenot动词过去分词by动作执行者Was/Were主语by动作执行者)？肯定回答：Yes,itwas./否定回答：No,itwasn't.特殊疑问词（What/Who/When/Where/Why/How等）was/were主语 /否定回答 主动语态中“动词sbtodosth”结构，变被动时to，结构为“sb+was/were++todosth”。主动：TheschoolallowedConnietojointheswimming被动：ConniewasallowedtojointheswimmingteambytheTheteacheraskedTomtofinishthehomeworkon Myparentsallowedmetogooutwithfriendslast Doctorsadvisedhertoeatmore TheThemanagertoldtheworkerstostarttheproject 三种时态被动语态对比（以do为例do/am/is/are+was/were+will/begoingto+will/begoingto+be++am/is/are+主语+was/were++willbe+动词过+am/is/are+not+was/were+++willnotbe+动词过去分词(缩写won’tAm/Is/Are+主语+动词+am/is/are.否定回答：No,主语代词amWas/Were+动肯定回答：Yes,主语代词+was/were.否定回答：No,主语代词+Will+be+动词肯定回答：Yes主语代词+will.否定回答：No,主语代词++主语+特殊疑问词 was/were+主语+动特殊疑问词+will+主语+be+动词过去分词？（疑问词为Who时：Whowill+be动词过去分词Peoplegrowteain Theywillholdthemeetinginthe 短暂性动词（borrow、buy、open）的被动语态不能for/since引导的时间错误：Thebookwasborrowedfortwo正确：Thebookhasbeenkeptfortwoweeks.（需结合现在完成时被动语态结构为“情态动词be动词过去分词”，表示“某事必须/可以/应该被做”例句：Therulesmustbefollowed.（这些规则必须被遵守。例句：Thisproblemcanbesolvedeasily.（这个问题可以被轻松解决。下列句子中，表达正确的一项是（ThepenwasboughtforthreeThepenhasbeenhadbyherforthreeThepenhasbeenboughtforthreeThepenwashadforthree—Howlong thelibrary —SincelastA.has; B.was; C.has;been D.was;Thesemistakes bycare