Unit4 Grammar课件 2023-2024学年沪教牛津版（广州沈阳通用）八年级英语下册

Cartoons and comic strips Grammar Unit 4 1 Review P39-41 Do you still remember the form of the passive voice in the simple present tense, the simple past tense, the simple future tense ? Answer questions: 被动语态基本结构:be + 及物动词的过去分词 一般现在时:am/ is/ are + done 一般过去时: was/ were + done 一般将来时:will + be done (1)They water the young trees every three days. Look and say Review The young trees are watered by them every three days. (改为被动语态) Review Look and say (2)He ate some fruits yesterday. Some fruits were eaten by him yesterday. (改为被动语态) Look and say Review (3)They will see a movie next week. A movie will be seen by them next week. (改为被动语态) 在遥远的南极,住着一只倒霉的企鹅,它叫豆豆,那里的企鹅只有三件事要忙,吃饭,睡觉,打豆豆。 你看,它总是被打,还不知道是谁打的。 Doudou always (beat)by someone. is beaten 昨天晚上 ,它又被打了。 Doudou last night. was beaten 明天,豆豆还会面临暴打,可怜的豆豆啊。 Doudou tomorrow. will be beaten 随时可能被打的豆豆啊,谁来救救它啊? Doudou anytime . may be beaten 1.Doudou is always beaten by someone. 2.Doudou was beaten yesterday evening. 3.Doudou will be beaten tomorrow. 4.Doudou may be beaten anytime . 注意:被动语态里,人称、数和时态的变化是通过be的变化表现出来的 10 情态动词(Modal verb),本身有一定的词义,表示语气的单词。但是情态动词不能独立作谓语,只能和动词原形一起构成谓语。情态动词用在行为动词前,表示说话人对这一动作或状态的看法或主观设想。 can, may, must, should, could, would. Presentation Read and pay attention to the red parts: Each picture should be made a little different from the one before it. should not be made the same as the one before it. Sound effects must be added. must not be forgotten. It can be enjoyed by everyone. P55 To make the passive voice with modal verbs, _ is used between the modal verb and the past participle of the main verb. Work out the rule Presentation be 含情态动词的被动语态基本构成: 情态动词+ (not)be + 及物动词的过去分词 e.g.肯定句:This clock can be repaired here. 否定句:This clock can’t be repaired here. P55 Presentation Read and pay attention to the red parts: Should each picture be made a little different from the one before it? Must sound effects be added? Yes, it should. No, it should not/ shouldn't. Yes, they must. No, they must not/ mustn't. P55 含情态动