八年级英语上册Module12Help模块同步语法精讲精练课件新版外研版

八年级英语上册Module12Help模块同步语法精讲精练课件新版外研版

Module 12　Help 模块同步语法精讲精练 ③Let 型祈使句： Let ＋ sb. ＋动词原形＋其他． eg ： Let's play football. 让我们踢足球吧。 ④ No 型祈使句： No ＋ v.ing 形式 / 名词 ( 表示禁止 )! eg ： No smoking ！禁止吸烟！ No photos ！禁止拍照！ ► 祈使句的否定形式 ① Do 型和 Be 型的否定句式都在句首加 don't 。 eg ： Don't forget me ！不要忘记我！ Don't be late for school ！上学不要迟到！ ② Let 型的否定句有两种： Don't ＋ let ＋宾语＋动词原形＋其他 /Let ＋宾语＋ not ＋动词原形＋其他。 eg ： Don't let him go swimming. ＝ Let him not go swimming. 不要让他去游泳。 ②may ， could ， might 表示可能性较小的肯定推测，意为 “ 可能，也许 ” 。 eg ： You may be right. 你可能是对的。 He could/might be running for exercise. 他可能正在跑步锻炼。 ► 否定推测 ① can't 表示有把握的否定推测，意为 “ 不可能 ” 。 eg ： That can't be Mary.She's ill in hospital. 那不可能是玛丽，她生病住院了。 ② may not/might not/could not 表示不太有把握的否定推测，意为 “ 可能不 ( 会 ) 是 ” 。 eg ： He could not/might not be at home.I'm not sure. 他可能不在家，我不确定。 ► 疑问句中的推测 疑问句中的推测，常用 can 或 could ，意为 “ 可能 ” 。 eg ： There is someone outside.Who can it be ？外面有人，会是谁呢？ 一、根据句意，选择方框中的单词填空。 1 ． —Isn't that Ann's mother over there? —No ， it ________be her.I'm sure she doesn't wear glasses. 2 ． —Where's David? —He________ be on the playground because he is fond of playing basketball. 3 ． —What will the weather be like tomorrow? —It _____________be rainy ， cloudy or sunny.Who knows? can't must could/may 4 ． —Where is Daning? —He ___________be in the classroom ， but I'm not sure. 5 ． This problem __________be very hard.Few students can work it out. may/could must 二、单项选择。 6 ． ________ get off the bus before it stops. A ． Don't 　　 B ． Doesn't 　　 C ． Didn't 　　 7 ． —Someone is knocking at the door.________ it be Betty? —No ， it ________ be her.She left for England this morning. A ． Must ； can't B ． Can ； can't C ． Could ； mustn't D ． May ； mustn't A B 8 ． _________ harder and you'll succeed sooner or later ( 迟早 ) ． A ． Study B ． To study C ． Studying D ． To studying 9 ． Let's __________on time for classes. A ． be B ． be not C ． are D ． not are 10 ． __________ wake up your sister ， Tony.She needs a good sleep. A ． Don't B ． Doesn't C ． Not D ． No A A A 11 ． —Excuse me ， whose Japanese book is this? —It _________be Tom's.In our class ， only he is studying Japanese. A ． must B ． can't C ． would D ． could 12 ． —You _______be happy with the strong public support you've received. —Yes ， you're right.I'm really excited. A ． may B ． can C ． must D ． need 13 ． —Jim ， ________ read books while you are walking in the street.It's very dangerous. —OK ， thank you. A ． don't B ． doesn't C ． won't D ． can't A C A 14 ． —Where are you going this month? —We _______go to Xiamen ， but we're not sure. A ． needn't B ． must C ． might D ． mustn't 15 ． —I'm sorry to tell you that Mr Li was badly hurt in a traffic accident yesterday. —Oh ， it ______be true.I saw him in the office just now. A ． can't B ． mustn't C ． needn't D ． don't C A ( )16.Which of the following signs means “ No photos ” ？ D 三、根据句意，用括号中所给单词的适当形式填空。 17 ． It's an important meeting.___________ (not be) late. 18 ． ________ (look) out ！ A car is coming. 19 ． ____________ (not talk) and _________(read) aloud. 20 ． ____________ (not leave) your homework for tomorrow ， Larry. 21 ． Lingling ， ________ (give) us ten years and just see what our country will be like. Don't_be Look Don't_talk read Don't_leave give 四、按要求完成下列句子。 22 ． Be quick.( 改为否定句 ) Don't_be_quick ． 23 ． You can't eat food in class.( 改为祈使句 ) Don't_eat_food_in_class ． 24 ． You must walk to school today.( 改为祈使句 ) Please_walk_to_school_today ． 25 ． You can't be late for class next time.( 改为祈使句 ) Don't_be_late_for_class_next_time ． 26 ．她不可能在等你。 She _________________for you. 27 ．他喜欢读书，现在他一定正在图书馆读书呢。 He likes reading.Now he _______________in the library. 28 ．你走了那么长的路，一定累了吧。 You _________________after your long walk. can't be waiting must be reading must be tired 五、情景交际：选择方框中的选项补全对话。 A ： My boy ， what did you learn from the last module? B ： 29._____ A ： OK.Let me ask you some questions about them. B ： Please! A ： If you're in a high building ， what should you do when the earthquake happens? B ： 30._____ A ： When is the best time to leave? B ： 31.______ B C E A ： Can you use the lift? B ： No. 32.______ A ： Do you know anything about first aid? B ： Yes. 33.______ A ： Great! A ． It's too dangerous. B ． Safety and first aid. C ． Find a chance to leave the building quickly. D ． I also learned how to get help ， such as shouting for help and calling 120. E ． When the ground stops shaking. A D