人教版九年級(jí)全冊(cè)Unit3SectionB2a 2d課件

2022/11/8人教版九年級(jí)全冊(cè)Unit3SectionB2a-2d2022/11/1人教版九年級(jí)全冊(cè)Unit3SectionB11.convenientadj.意為“便利的;方便的”,常用于句型“It+be+convenient(+forsb.)+todosth.”中。如：

Itissimpleandconvenientforoldpeopletousethiskindofmobilephone.Abicycleisoftenmoreconvenientthanacarinbigcities.1.convenientadj.2【運(yùn)用】1)Travelingaroundbigcitiesbytaxicancostalotofmoney,butit’susually________totaketheundergroundtraintomostplaces.

A.amazing

B.expensive

C.convenient

D.exciting2)Itis________formetogoshopping.Thereisanewsupermarketnearmyhome.

A.difficult

B.importantC.impossible

D.convenient【運(yùn)用】32.Botharecorrect,butthefirstonesoundslesspolite.less+形容詞或副詞,構(gòu)成降級(jí)比較形式,相當(dāng)于中文“不那么;稍許不……”之意。如:他的第二部電影就沒那么有趣。(翻譯)Hissecondmovieislessinteresting.2.Botharecorrect,butthef4polite作形容詞，意為“有禮貌的；客氣的”。bepolitetosb.意為“對(duì)某人有禮貌”。如：Pleasebepolitetoourguests.It’spolitetodosth.意為“做某事是有禮貌的”。如：It’spolitetosay“Thankyou”.polite作形容詞，意為“有禮貌的；客氣的”。5【拓展】polite的副詞形式為politely，意為“有禮貌地；客氣地”。polite的反義詞是impolite，意為“不禮貌的；粗魯?shù)摹?。如：Thegirltoldmepolitelythathermotherwasnotathome.It’simpolitetorefuseothersdirectly.【拓展】6【運(yùn)用】I.根據(jù)所給提示，將下列句子翻譯成英語(yǔ)。1)瑪麗(Mary)對(duì)她的老師很有禮貌。(bepolitetosb.)

2)為別人開門是禮貌的。(It’spolitetodosth.)

3)那個(gè)小男孩客氣地向我尋求幫助。(politely)

Maryispolitetoherteachers.It’spolitetoopendoorsforothers.Thelittleboyaskedmeforhelppolitely.【運(yùn)用】Maryispolitetoherteac7II.根據(jù)句意，寫出所缺單詞。1)Itisp

tosay“thankyou”whensomeonehashelpedyou.2)Tomthinkspeoplewillhelphimifheasksforhelp

(polite).3)Talkingloudlyinalibrary,amuseum,oramovietheateris

(不禮貌的).

politepolitelyimpoliteII.根據(jù)句意，寫出所缺單詞。politepolitel83.Itmight

seemmoredifficulttospeakpolitelythandirectly.

情態(tài)動(dòng)詞might表達(dá)一種可能性及推測(cè)的不確定性。意思與表達(dá)可能性的may相當(dāng),表示“有可能,也許會(huì)”,但語(yǔ)氣更加委婉,更不確定。如：他也許會(huì)來(lái)，但非常靠不住。(翻譯)Hemightcome,butit’sveryunlikely.3.Itmightseemmoredifficul9【運(yùn)用】根據(jù)提示將下列漢語(yǔ)句子翻譯成英語(yǔ)。1)爸爸也許知道如何發(fā)動(dòng)那臺(tái)機(jī)器。(might)2)他可能及時(shí)趕到了那兒，但我不確定。(might)

Dadmightknowhowtostartthatmachine.Hemightgetthereintime,butIamnotsure.【運(yùn)用】Dadmightknowhowtostar104.However,itisimportanttolearnhowtousetherightlanguageindifferentsituations.it作形式主語(yǔ)如果主語(yǔ)是較長(zhǎng)的動(dòng)詞不定式或一個(gè)句子,為了保持句子結(jié)構(gòu)的平衡,避免頭重腳輕,通常用it作形式主語(yǔ)放在句首,而把真正的主語(yǔ)放在句尾。4.However,itisimportantto11常見的句型有：1)Itis+adj.(+____+sb.)+todosth.常用于此句型的形容詞有important,difficult,dangerous,necessary,useful,possible等,用來(lái)對(duì)todosth.進(jìn)行說(shuō)明。如：It’sdifficultforustofinishtheworkinanhour.for常見的句型有：for122)Itis+adj.+____+sb.+todosth.

常用于此句型的形容詞有g(shù)ood,kind,nice,clever,wise等,用來(lái)對(duì)sb.的性格、品質(zhì)等進(jìn)行說(shuō)明。如：It’skindofyoutosayso.of2)Itis+adj.+____+sb.+135.whom仔細(xì)觀察下列例句，思考whom的用法，然后補(bǔ)全結(jié)論部分所缺內(nèi)容。

【例句】1)Idon’tknowwhom/whoLindawillinvite.2)Whom/Whoareyoutalkingwith?3)Towhomdidyougivethepen,John?5.whom14【結(jié)論】whom是who的賓格形式，用作疑問(wèn)代詞，意為“誰(shuí)；什么人”。通過(guò)觀察以上例句我們可知，whom在句中可作_______詞或介詞的賓語(yǔ)。由例句1和例句2我們可知，在口語(yǔ)或非正式用法中，whom往往可以被who代替。由例句3我們可知，如果whom緊接在_______詞之后，則不能被who代替。動(dòng)介【結(jié)論】動(dòng)介15【運(yùn)用】根據(jù)句意用who或whom填空。1)_____________arethechildrentalkingabout?2)With_______didMarygoshoppinglastSunday?Whom/Whowhom【運(yùn)用】Whom/Whowhom162022/11/8人教版九年級(jí)全冊(cè)Unit3SectionB2a-2d2022/11/1人教版九年級(jí)全冊(cè)Unit3SectionB171.convenientadj.意為“便利的;方便的”,常用于句型“It+be+convenient(+forsb.)+todosth.”中。如：

Itissimpleandconvenientforoldpeopletousethiskindofmobilephone.Abicycleisoftenmoreconvenientthanacarinbigcities.1.convenientadj.18【運(yùn)用】1)Travelingaroundbigcitiesbytaxicancostalotofmoney,butit’susually________totaketheundergroundtraintomostplaces.

A.amazing

B.expensive

C.convenient

D.exciting2)Itis________formetogoshopping.Thereisanewsupermarketnearmyhome.

A.difficult

B.importantC.impossible

D.convenient【運(yùn)用】192.Botharecorrect,butthefirstonesoundslesspolite.less+形容詞或副詞,構(gòu)成降級(jí)比較形式,相當(dāng)于中文“不那么;稍許不……”之意。如:他的第二部電影就沒那么有趣。(翻譯)Hissecondmovieislessinteresting.2.Botharecorrect,butthef20polite作形容詞，意為“有禮貌的；客氣的”。bepolitetosb.意為“對(duì)某人有禮貌”。如：Pleasebepolitetoourguests.It’spolitetodosth.意為“做某事是有禮貌的”。如：It’spolitetosay“Thankyou”.polite作形容詞，意為“有禮貌的；客氣的”。21【拓展】polite的副詞形式為politely，意為“有禮貌地；客氣地”。polite的反義詞是impolite，意為“不禮貌的；粗魯?shù)摹?。如：Thegirltoldmepolitelythathermotherwasnotathome.It’simpolitetorefuseothersdirectly.【拓展】22【運(yùn)用】I.根據(jù)所給提示，將下列句子翻譯成英語(yǔ)。1)瑪麗(Mary)對(duì)她的老師很有禮貌。(bepolitetosb.)

2)為別人開門是禮貌的。(It’spolitetodosth.)

3)那個(gè)小男孩客氣地向我尋求幫助。(politely)

Maryispolitetoherteachers.It’spolitetoopendoorsforothers.Thelittleboyaskedmeforhelppolitely.【運(yùn)用】Maryispolitetoherteac23II.根據(jù)句意，寫出所缺單詞。1)Itisp

tosay“thankyou”whensomeonehashelpedyou.2)Tomthinkspeoplewillhelphimifheasksforhelp

(polite).3)Talkingloudlyinalibrary,amuseum,oramovietheateris

(不禮貌的).

politepolitelyimpoliteII.根據(jù)句意，寫出所缺單詞。politepolitel243.Itmight

seemmoredifficulttospeakpolitelythandirectly.

情態(tài)動(dòng)詞might表達(dá)一種可能性及推測(cè)的不確定性。意思與表達(dá)可能性的may相當(dāng),表示“有可能,也許會(huì)”,但語(yǔ)氣更加委婉,更不確定。如：他也許會(huì)來(lái)，但非?？坎蛔　?翻譯)Hemightcome,butit’sveryunlikely.3.Itmightseemmoredifficul25【運(yùn)用】根據(jù)提示將下列漢語(yǔ)句子翻譯成英語(yǔ)。1)爸爸也許知道如何發(fā)動(dòng)那臺(tái)機(jī)器。(might)2)他可能及時(shí)趕到了那兒，但我不確定。(might)

Dadmightknowhowtostartthatmachine.Hemightgetthereintime,butIamnotsure.【運(yùn)用】Dadmightknowhowtostar264.However,itisimportanttolearnhowtousetherightlanguageindifferentsituations.it作形式主語(yǔ)如果主語(yǔ)是較長(zhǎng)的動(dòng)詞不定式或一個(gè)句子,為了保持句子結(jié)構(gòu)的平衡,避免頭重腳輕,通常用it作形式主語(yǔ)放在句首,而把真正的主語(yǔ)放在句尾。4.However,itisimportantto27常見的句型有：1)Itis+adj.(+____+sb.)+todosth.常用于此句型的形容詞有important,difficult,dangerous,necessary,useful,possible等,用來(lái)對(duì)todosth.進(jìn)行說(shuō)明。如：It’sdifficultforustofinishtheworkinanhour.for常見的句型有：for282)I