Unit4 Road safety课内外点拨&拓展-【经纶学典】2023春六年级下册英语学霸提高班(译林版三起)江苏专用

Unit4 Road safety学霸·提高班 如课内重难点拨 (一)情态动词 1.must是情态动词，后面直接加动词原形。常见用法如下： (1)表示“必须”。如： You must go home now.你现在必须回家了。 (2)表示坚定的建议。如： You must go to see the doctor..你必须去看医生。 (3)表示推测，暗含有很大的可能性，用在肯定句中。如： It must be rainy tomorrow.明天肯定要下雨。 (4)mustn't表示“不要，不能，禁止”，而不是表示“不必”。如： You mustn't run on the road.你不能在路上跑。 2.must的肯定句句型结构为：主语十must十动词原形（十其他）.如：I must finish my homework first..我必须先完成我的家庭作业。 3.否定句在must后加not,句型结构为：主语十must+not/mustn't十动词原形（十其他）. 注意：must noti=mustn't。如：You mustn't smoke here.你不能在这里吸烟。 4.must的一般疑问句句型结构为：Must十主语十动词原形十.？ 肯定回答为：Yes,must.否定回答为：No,.needn't.如： 一Must I finish my homework today?我今天必须完成我的家庭作业吗？ 一Yes,you must..是的，你必须完成。/一No,you needn't.不，你不必完成。 注意：must开头的一般疑问句，若作否定回答，应用needn't,而不用mustn't(因为mustn't语气很 强烈，意为“绝不能”；而否定回答是想表示没有必要，而不是绝不能做某事。所以否定回答用 needn't。);肯定回答仍用must。 5.must的特殊疑问句句型结构为：特殊疑问词+must十主语十动词原形（十其他）？如：What must you do when you cross the road?过马路时你必须做什么？ 专项练习。 一、用所给单词的适当形式填空。 1.It's cold outside.You (can)open the door. 2.Must I (clean)your room now? 3.We (must)run or play football on the road. 4.(淮安期中真题)Mike write when he was two,but he now.(can) 5.(无锡期末真题)What must you (do) (keep)our city clean? 053 学霸·提高班英语·六年级下·JS 6.(宿迁期末真题)We use glass bottles.We use too many plastic bottles. (should) 二、用must,mustn't,can,can't填空。 1.(深圳期末真题)In this school,all students wear school uniforms on Monday. 2.(徐州期中真题)一Why does the bus stop here? -Look at the red light.It means we cross the road. 3.(南通期中真题)一 I watch TV? -No,you You go to bed now. 4.The hole is too deep and he reach it. 5.(上海期末真题)People smoke in the forest. 6. we wait for them together? -No,you needn't. 7.(常州期末真题)一 I go to see the doctor? -Yes,you ·You go to school because you're sick. 8.You run or shout in the classroom.You keep quiet. 三、按要求改写句子。 l.(南京期中真题)They mustn't talk loudly in class.(对画线部分提问) they in class? 2.(淮安期中真题)You can't run or play on the road.(改为否定祈使句) run or play on the road. 3.(常州期中真题)You must go home now.(改为否定句) You now. 4.We must wait for the green man on the road.(对画线部分提问) on the road