Unit 2 Wildlife Protection Discovering useful structures 语法 课件-2024-2025学年高中英语人教版（2019）必修第二册+.pptxVIP

Unit2WILDLIFEPROTECTIONDiscoveringUsefulStructure

1.HelpstudentslearntheformofPresentContinuousPassiveVoice.2.GuidestudentstoknowhowtousePresentContinuousPassiveVoice.3.Designspecificsituationsforstudentstomakesmallconversitions.

Revision----Thepassivevoice

Whatistherabbitdoing?.

Therabbiteatscarrots.Carrotstherabbitareeatenby宾语宾语主语主语主语+am/is/are+done

被动语态的其他时态呢？

Therabbitatecarrotsyesterday.wereeaten一般过去时：主语+was/were+doneCarrotsbytherabbityesterday.

Therabbitwilleatcarrotstomorrow.Carrotswillbeeatenbytherabbittomorrow.一般将来时：主语+will+bedone主语+begoingto+bedoneTherabbitisgoingtoeatcarrotstomorrow.Carrotsaregoingtobeeatenbytherabbittomorrow.

Therabbitiseatingcarrotsnow.Carrotsarebeingeatenbytherabbitnow.现在进行时：主语+am/is/are+beingdone

Therabbithasalreadyeatencarrots.Carrotshavealreadybeeneatenbytherabbit.现在完成时：主语+have/has+beendone

Therabbitwaseatingcarrotsat9yesterdaymorning.Carrotswerebeingeatenbytherabbitat9yesterdaymorning.过去进行时：主语+was/were+beingdone

Learntoknowthestructureofpresentcontinuouspassivevoice

一、观察例句，归纳用法。1.Theplanisbeingdiscussedatthemeetingnow.现在进行时的被动语态肯定形式为:________________________。2.Theplanisnotbeingdiscussedatthemeetingnow.现在进行时的被动语态否定形式为:________________________。3.Istheplanbeingdiscussedatthemeetingnow?现在进行时的被动语态一般疑问句形式为:________________________。4.Whatisbeingdiscussedatthemeetingnow?现在进行时的被动语态特殊疑问句形式为:___________________________________主语+is/am/arebeingdone主语+is/am/arenotbeingdoneis/am/are＋主语＋beingdone特殊疑问词＋is/am/are+主语＋beingdone

①表示说话时正在进行的被动动作,句中常用now,rightnow,atthismoment,atpresent等时间状语。Somefoodisbeingeatenbythebear.二、现在进行时被动语态的基本用法。

②表示现阶段正在进行的被动动作.(说话时不一定在进行)

Theproblemoffoodsafetyisbeingstudiedbyscientistsatpresent.

③表示一种习惯的被动行为(always,constantly),带有赞扬、羡慕、讨厌等感情色彩。 Childrenofourneighb