2021年秋人教版九年级全册英语：Unit10GrammarFocus课件

2024/4/162021年秋人教版九年级全册英语课件：Unit10GrammarFocusbesupposedto的用法一、besupposedto的不同用法1．besupposedto...其中to是动词不定式符号，其后要跟动词原形。当besupposedto...的主语是“人”时，意为“应该……；被期望……”，它可以用来表示劝告、建议、义务、责任等，相当于情态动词should。Everyoneissupposedtowearaseat-beltinacar.在汽车里的每个人都应该系安全带。2．当besupposedto...的主语是“物”时，它表示“本应；本该”，用于表示“某事本应该发生而没有发生”。Thetrainwassupposedtoarrivehalfanhourago.火车本该在半小时之前到达。3．besupposedto...的否定结构为benotsupposedto...，它常用于口语中，意为“不被许可；不应当”。Youarenotsupposedtosmokeonthebus.你不应该在公交车上抽烟。二、besupposedtodo和beexpectedtodo的区别1．besupposedtodo表示被期望或要求做某事，意为“应该”。相对于beexpectedtodo而言，主观性强一些。它相当于情态动词should。Youarenotsupposedtoarrivesolate.你不应该这么晚才到。2．beexpectedtodo意为“预料”，表示一种可能性。Sheisexpectedtobeagooddoctor.她有望成为一名好医生。Theyareexpectedtomakeanannouncementlatertoday.预料他们今天晚些时候会宣布一项通告。“Itis＋adj.＋todosth.”句式的用法Itis＋adj.＋todosth.为固定句型，其中it是形式主语，动词不定式为句子真正的主语。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、特点，常用描述事物性质的形容词，如easy,hard,difficult,interesting,important,impossible等。It'snoteasyforthemantosupportsuchabigfamily.养活这么一大家子人对这个男人来说不容易。2．Itis＋adj.＋(ofsb.)todosth.的句型常用于表示人物的性格、品德，常用表示主观感情或态度的形容词，如good,kind,nice,clever,foolish,right等。It'sverycleverofthelittlegirltothinkofagoodideatosolvetheproblem.那个小女孩想到个解决问题的好主意，真是聪明。______________________________________________________________

一、单项选择。()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、按要求改写下列句子。6．Maryissupposedtowearadress.(改为一般疑问句并作肯定回答)—___Mary_______________wearadress?—Yes,_______．7．Heissupposedtobeanexpertinthisfield.(改为否定句)He___________________tobeanexpertinthisfield.8．Sheissupposedtoarriv