Unit 4 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 Period 4 Grammar Unit 4 Oxford English Module 2 Arts and crafts 1 I.复习【被动语态】:1. 英语动词有两种语态: 和 。2. 被动语态的构成: + _(+ )3. 否定:在_ 后面加not4.一般疑问句:把_ 提到句首 特殊疑问句:_+一般疑问语序?5. 含有被动语态的句子,时态是由_来体现的。①一般现在时的被动语态: + 过去分词 ②一般过去时的被动语态: +过去分词③一般将来时的被动语态: +过去分词 6. 初中常见的情态动词有:_ _ _ _等 主动语态 被动语态 be 动词过去分词 by sb. be be 特殊疑问词 be am/is/are was/were will be can may must should II.观察并思考1. Each picture should be made a little different from the one before it.2. Sound effects must also be added separately.3. After everything has been checked, it’s ready to be played for everyone to enjoy.4.The cartoon characters have been drawn carefully by the artists.观察1,2句,归纳:情态动词的被动语态结构: _ +_+过去分词观察3,4句,归纳:现在完成时态的被动语态结构: _ +_+过去分词 情态动词 be have/has been be 时态 被动be + done am / is / are + done was / were + done will / shall + be done be going to + be done 依主语和时态变化 How to use 一般现在时 一般过去时 一般将来时 Review 1 be done Basketball is played by people all over the world. A party was held (by them) last Sunday. You will be fined if you go wrong. Review Modal words(情态动词) can(could) / must / should(shall) / may(might) / ought to We should water the flowers. We should water the flowers. not Should we water the flowers? positive sentence(肯) modal verb + do(动原) negative sentence(否) modal verb + not + do Q(一般疑问句) modal verb + S.(主) + do...? Yes, we should. No, we should not/ shouldn't. the passive voice with modal words 1. We should plant the trees. (肯): modal verb + be + done (否): modal verb+ not + be + done Part 1 2. He may not wash the dishes. We should plant the trees should be planted The trees by us. He may not wash the dishes The dishes by him. may not be washed 主变宾,宾变主 动词变成modal verb +be+done 加上介词by,by后记得用宾格 1. The question can be answered by Tom. 一般疑问句 Q: Modal verb. + S.(主)+ be + done ....? Yes, S.+ modal verb. No, S.+ modal verb + not. Can the question be answered by Tom? Yes, it can. No, it cannot/ can't. : Must...? 1. No, S. + must + not / mustn't. 2. No, S. + need + not / needn't. 2. Must th