B2U1FoodforthoughtGrammar:Modals(1)Whattypeofverbistheoneinboldineachofthefollowingsentences?YuanLongpingworkedallhislifeontheresearchofhybridrice.YuanLongpingwillliveintheheartsoftheChinesepeopleforever.YuanLongpingistheprideoftheChinesepeople.WecanneverpraiseYuangLongping’scontributionstoomuch.Typesofverbsactionverbhelpingverb(linkingverb)(modalverb)動詞分類：行為動詞：系動詞：助動詞：情態動詞：可獨立作謂語，分為vt.和vi.需接表語不單獨做謂語，構成時態和語態？Modals(情態動詞)表達情感、態度、語氣。need;dare(dared);hadbetter;beableto;haveto;can(could);may(might);must;will(would);shall(should);oughtto;usedto,etc.后接動詞原形，適用于各種人稱和數（haveto除外）。I/You/We/He/Theymust/can/should/mayworkhard.具有詞義，不單獨做謂語，可構成簡略答案。--Ican’tswim.Canyouswim?--No,Ican’t.Activity2:Underlinethemodalsinanintroductiontoanappandtalkabout

theirmeanings.

havetheabilitytodosth.beafraidofsth.benecessaryorgivestrongadvicetodosth.notbenecessarytodosth.giveadvicetodoornottodosth.Activity3:Completethetipsforgoodtablemannerswiththecorrect

formofthemodalsinActivity1.

havetodarenothadbetterneedn’tbeabletoUsemodalstointroducetablemannersinChina.Youhavetowaituntiltheeldersstarttoeat.You’dbetternotstickyourchopsticksintotherice.You’dbetternotmaketoomuchnoisewhilechewing.IwillbeabletospeakJapaneseinanotherfewmonths.

再過幾個月，我就能講日語了。Theywereabletoescapefromthebuildingwhenthefirebrokeout.

火災發生時，他們設法從那棟建筑里逃了出去。1.beableto“能夠”用于過去時態時，可表示“某人過去成功做了某事”。1.beableto“能夠”

Shecan

singEnglishsongswell.HewillbeabletosingthissonginEnglishinafewmonths,too.Ifhegothereafewhoursearlier,Icould

savehim.Luckily,hewasabletoescapefromthebigfireintheend.=Luckily,hemanagedtoescapefromthebigfireintheend.=Luckily,hesucceededinescapingfromthebigfireintheend.canbeabletoSentences1&2強調_____________的能力強調_______________的能力Sentences3&4強調一種______(可能/結果)強調一種______(可能/結果)Tense通過努力而獲得結果可能兩種時態(can/could)各種時態自身已具有2.hadbetter“最好”1.你最好坐在這兒休息一下。You’dbetter

sithereandhavearest.2.她最好再也別撒謊了。

She

hadbetternot

tellliesanymore.3.醫生是不是去看看他比較好。

Hadn’t

thedoctorbetterseehim?3.haveto“不得不”

Completethefollowingsentences.Therewasnobusthere.We_________takeataxi.Ithinkwe______takeataxi,orwewillbelate.

I______passseafoodforI’mallergictoit.譯：你非得把音樂放那么響嗎？Doyouhavetoplaythatmusicsoloud?hadtomusthavetohaveto強調客觀原因，而must表示主觀看法。haveto第三人稱單數hasto，過去式hadto，疑問句和否定句中需借助助動詞。4.need“需要”做情態動詞：不用于肯定句，可用于否定句、疑問句。沒有時態、人稱和數的變化。翻譯：你不必今天做完這項工作，還剩下很多時間。Youneedn’tfinishthatworktoday.There’splentyoftimeleft.我需要再講一遍嗎？

NeedIexplainitagain?4.need“需要”做實義動詞：有時態、人稱和數的變化，不受句型限制。肯定句中需用needtodo。否定句和疑問句需借助助動詞。翻譯：他病得很重，需要藥物治療。He'sverysick.Heneedsmedication.任何人都可使用這個游泳池，不必是會員。Anybodycanusethepool—youdon'tneedtobeamember.5.dare“敢”做情態動詞：不用于肯定句，可用于否定句、疑問句和條件從句中。過去式為dared。翻譯：你敢來就試試。Tryitifyoudare

comehere.她對任何人都只字不敢提及此事。Shedarednotbreatheawordofittoanybody.她還敢冒險待在原來的地方嗎？

Daresheriskstayingwhereshewas?Idioms1.Idaresay…我想，大概;我敢說2.Howdareyou-你竟敢(usedtoshowyouareangry)5.dare“敢”做實義動詞：有時態、人稱、數的變化；肯定句中用daretodo；疑問句和否定句需借助助動詞，且to可省。Doyoudare(to)do?Idon’tdare(to)do.翻譯：敵人膽敢來犯，我們就把它消滅。We'llwipeoutanyenemythatdarestoinvadeourterritory.多數人都討厭他，但他們不敢說出來。Mostpeoplehatehimbuttheydon’tdare(to)sayso.《課時學案》P.9練習willbeabletowereabletodaredidn’tdareneedn’tneededto/hadtoneededto/hadtohadbetter《課時學案》P.9練習Darehetellhismotherthebadnews?Doeshedare(to)tellhismotherthebadnews?I’veorderedsomepizza,soweneedn’tworryaboutcookingwhenwegethometired.I’veorderedsomepizza,sowedon’tneedtoworryaboutcookingwhenwegethometired.《課時學案》P.9練習She’dbetternot