2024/4/162021年秋人教版九年級全冊英語課件：Unit10GrammarFocusbesupposedto的用法一、besupposedto的不同用法1．besupposedto...其中to是動詞不定式符號，其后要跟動詞原形。當(dāng)besupposedto...的主語是“人”時，意為“應(yīng)該……；被期望……”，它可以用來表示勸告、建議、義務(wù)、責(zé)任等，相當(dāng)于情態(tài)動詞should。Everyoneissupposedtowearaseat-beltinacar.在汽車?yán)锏拿總€人都應(yīng)該系安全帶。2．當(dāng)besupposedto...的主語是“物”時，它表示“本應(yīng)；本該”，用于表示“某事本應(yīng)該發(fā)生而沒有發(fā)生”。Thetrainwassupposedtoarrivehalfanhourago.火車本該在半小時之前到達(dá)。3．besupposedto...的否定結(jié)構(gòu)為benotsupposedto...，它常用于口語中，意為“不被許可；不應(yīng)當(dāng)”。Youarenotsupposedtosmokeonthebus.你不應(yīng)該在公交車上抽煙。二、besupposedtodo和beexpectedtodo的區(qū)別1．besupposedtodo表示被期望或要求做某事，意為“應(yīng)該”。相對于beexpectedtodo而言，主觀性強(qiáng)一些。它相當(dāng)于情態(tài)動詞should。Youarenotsupposedtoarrivesolate.你不應(yīng)該這么晚才到。2．beexpectedtodo意為“預(yù)料”，表示一種可能性。Sheisexpectedtobeagooddoctor.她有望成為一名好醫(yī)生。Theyareexpectedtomakeanannouncementlatertoday.預(yù)料他們今天晚些時候會宣布一項(xiàng)通告?！癐tis＋adj.＋todosth.”句式的用法Itis＋adj.＋todosth.為固定句型，其中it是形式主語，動詞不定式為句子真正的主語。易混辨析：“Itis＋adj.＋(forsb.)todosth.”和“Itis＋adj.＋(ofsb.)todosth.”1．Itis＋adj.＋(forsb.)todosth.常用于表示事物的特征、特點(diǎn)，常用描述事物性質(zhì)的形容詞，如easy,hard,difficult,interesting,important,impossible等。It'snoteasyforthemantosupportsuchabigfamily.養(yǎng)活這么一大家子人對這個男人來說不容易。2．Itis＋adj.＋(ofsb.)todosth.的句型常用于表示人物的性格、品德，常用表示主觀感情或態(tài)度的形容詞，如good,kind,nice,clever,foolish,right等。It'sverycleverofthelittlegirltothinkofagoodideatosolvetheproblem.那個小女孩想到個解決問題的好主意，真是聰明。______________________________________________________________

一、單項(xiàng)選擇。()1.Yourunclewassupposed________hereanhourago.

A．tobeB．tocomingC．togoD．togoing()2.Youareexpected________adiaryinEnglisheverydayifyouwanttoimproveyourwritingskills.A．keepB．keptC．keepingD．tokeepAD()3.It'snotproper________jeansandaT-shirttotheweddingparty.A．wearB．towearC．wearsD．wearing()4.Youare________totypequicklywhentalkingtoeachotheronQQ,sotheotherpersondoesn'tgetbored.A．suggestedB．supportedC．taughtD．supposedBD()5.Itisimportant________people________learnteamspirit.A．of;ofB．of;toC．for;toD．to;toC二、按要求改寫下列句子。6．Maryissupposedtowearadress.(改為一般疑問句并作肯定回答)—___Mary_______________wearadress?—Yes,_______．7．Heissupposedtobeanexpertinthisfield.(改為否定句)He___________________tobeanexpertinthisfield.8．Sheissupposedtoarriv