(
课件网) 人教版英语7年级下册培优精做课件授课教师：Home .班级：7年级（*）班.时间：.Unit2 SectionA Grammar FocusUNIT 2 No Rules, No OrderLet’s enjoy a video! Do you know the rules ？ Lead-in 新课讲授 3a Read the sentences. And try to translate them. 在 祈使句中 和 情态动词后，动词均用原形。 Walk in the hallway. Don’t run! Be polite and treat one another with respect. Don’t litter. / You mustn’t litter. / You can’t litter. Can we bring our phones to class No, we can’t. We must keep them in our lockers. Can we eat snacks in class No, we can’t eat in class. We have to eat in the dining hall. 祈使句中 情态动词后 Do the verbs in bold need to change forms Why 一、根据所给提示完成单词。 （5 分） 1.[2025阜阳期末] Tom is ill today, so he is a (缺席) from school. 2. Jim usually 1 (离开) his home at 7:30and gets to school at 7:50. 3. The old man sits in the room q (安静地)and drinks water. bsent eaves uietly 4. When we take a car, we must wear our seat b (带). 5. Mike f (喂) his parrot and teaches it to speak every day. elts eeds Imperative Sentences(祈使句) Walk in the hallway. Don’t run! Be polite and treat one another with respect. Don’t litter. / You mustn’t litter. / You can’t litter. 祈使句一般用来表示命令、请求、劝说、号召、警告、禁止等。 1.什么是祈使句？ Walk in the hallway. Don’t run! Be polite and treat one another with respect. Don’t litter. / You mustn’t litter. / You can’t litter. 1.通常省略主语you。 2.其肯定形式常以动词原形开头，否定形式是在动词原形前加don’t。 3.祈使句句尾用句号或感叹号。 2. 祈使句的特点？ 肯定式 Turn back! Go to bed now! Do型：动词原形+其他 Be quiet, please! Be careful! Be型：Be+其他 Let’s go! Let’s have a rest! Let型：Let sb do+其他 3. 祈使句的类型？ 否定式 Don’t be late! Don’t smoke here! Don’t let him leave! Don’t型 Don’t be+其他 Don’t do+其他 Don’t let+其他 No photos! No smoking! No型 No+n. No+v.ing 二、用can, have to/ must, can’t 或 mustn’t 填空。（5 分） 6.[2025连云港中考改编] From April 8, pet owners(主人) in China bring their cats or dogs on some high-speed trains. 7. You play soccer on the road! It's too dangerous. 8.— I clean the room now ——— No, you needn't. You can do it this evening. can mustn't Must 9.[2025达州中考改编] ——— Would you like to go to the old people's home with us tomorrow —I’ d love to. But I take care of my sister. 10. Helen go shopping with me because her mother needs her to help with housework. have to can't 祈使句一般用来表示请求、命令、劝说、号召、警告等。在祈使句中，通常省略主语you，其肯定形式常以动词原形开头，否定形式是在动词原形前加don’t。祈使句句尾用句号或感叹号，读时用降调。为表示礼貌，可以在句首或句末加上please。句末用please时，前面通常加逗号。 Summary Modal Verbs (情态动词) Walk in the hallway. Don’t run! Be polite and treat one another with respect. Don’t litter. / You mustn’t litter. / You can’t litter. Can we bring our phones to class No, we can’t. We must keep them in our lockers. Can ... ...
