Unit2DiscoveringUsefulStructuresThePresentContinuousPassiveVoiceWhataretheydoinginthepicture?Thepolarbear

.Thepanda

bamboo.Theelephant

sports.isswimmingisdoingiseating現在進行時的構成:

_______________________________________________be(am/is/are)doing動詞現在分詞(V-ing)構成規則:1.drink-drinking;eat-eating;listen-listening

2.

write-writing;make-making;ride-riding3.

sit-sitting;swim-swimming;put-putting;play-playing；draw-drawing；box-boxing一般在動詞原型后加ing.以不發音e結尾的動詞，去掉e再加ing.字母、音標以“輔+元+輔”（字母y、w、x除外）結尾且重讀的動詞，雙寫末尾的輔音字母再加ing.4.特殊變化：lie—lying；die—dying；tie—tyingThewhales__________(kill)byhumanbeings.werekilledTherhino/?ra?n??/____________(hunt)bysomeone.

washuntedReview:thepassivevoice被動語態的基本構成:

_________________be+V.ed(過去分詞)（時態和語態結合，先體現時態，后體現語態）現在進行時：am/is/are+V-ing被動語態：

be+done(V過去分詞)現在進行時的被動語態：主語+

am/is/are+being+done+(by…)表進行表被動現在進行時的被動語態

結構

1.Theplan___________________thismonth.計劃本月正在執行。2.Yourcomputer__________________now.現在沒人修理你的電腦。3.___thesefields_______________thisweek？這周有人在給這些地澆水嗎？4.Where___you______________________now？現在你們在哪里接受面試？isbeingcarriedoutisnotbeingrepairedArebeingwateredarebeinginterviewed肯定形式：am/is/are＋being＋過去分詞否定形式:am/is/are＋not＋being＋過去分詞疑問形式:Am/Is/Are＋主語＋being＋過去分詞？特殊疑問句的形式:把特殊疑問詞放在一般疑問句前面。現在進行時的被動語態的構成Basicusage基本用法1.

表示說話時正在進行的被動動作，句中常用now,

rightnow,

look,atpresent,atthemoment等時間狀語連用。He

(examine)

bythedoctornow.Look!Thechildren

(care)

ofbytheiraunt.看!孩子們正由他們姑媽照顧。她現在正在接受醫生的檢查。isbeingexaminedarebeingcared

2.表示現階段正在進行的被動動作(說話時不一定在進行),句中常用atpresent,thesedays等時間狀語。Theproblemoffoodsafety_______________(study)byscientiststhesedays.is

being

studied3.表示一種習慣的被動行為(often,always,frequently,constantly),帶有贊揚、羨慕、抱怨，討厭等感情色彩。Childrenofourneighbors___always

____________(praise)byourparents.are

beingpraisedChoosethesuitableverbformstocompletethesentences.1.I’m(working/beingworked)athometodaybecausemyofficeis

(painted/beingpainted).2.Thealarmingreportis(written/beingwritten).Itwillbefinishedsoon.3.Whatpartofthecityis(attacked/beingattacked)

now?4.Rightnow,thedeerare(watched/beingwatched)

overbymanyvolunteers.5.Whois(hunting/beinghunted)thekangaroos?Wherearethey

(