第九讲情态动词can（课件）-2025-2026学年人教PEP版（2012）英语六年级下册

can 表示“能”；“可以” 情态动词➕ 动词原型 没有人称和数的变化 情态动词can是什么？ 情态动词can 的核心用法 表示 能力（会做某事） 1 主语 + can + 动词原形 否定式：主语 + can't (can not) + 动词原形 表示 请求许可（可以做某事吗？） 2 Can + 主语 + 动词原形 肯定回答：Yes, 主语 + can. / Sure. / Of course. 否定回答：No, 主语 + can't. / Sorry, you can't. 肯定回答：Yes, 主语 + can. / Sure. / Of course. Can I have some juice? （我可以喝点果汁吗？） → Yes, you can. （可以呀。） 表示 请求许可（可以做某事吗？） 2 否定回答：No, 主语 + can't. / Sorry, you can't. Can we play outside? （我们可以去外面玩吗？） → Sorry, you can't. It's raining. （抱歉，不行哦，下雨了。） 表示 请求许可（可以做某事吗？） 2 表示 可能性（某事可能发生） 3 主语 + can + 动词原形 情态动词can 常见易错点 can 后面加动词的错误形式 1 变否定句时用错助动词 2 错误案例： He can swims fast. I can drawing a dog. 正确形式： He can swim fast. I can draw a dog. 错误案例： I don't can play football. 正确形式： I can't play football. 变疑问句时位置错误或加助动词 3 混淆 can 和 may 的 “请求许可” 用法 4 错误案例： You can dance? Do you can sing a song? 正确形式： Can you dance? Can you sing a song? 错误案例： Can I go to the toilet? 正确形式： May I go to the toilet? 误用 can 表示 “必须” 或 “应该” 5 错误案例： You can finish your homework first. 正确形式： You must finish your homework first. 情态动词can 基础练习题 I ______ ride a bike. It’s easy. She ______ sing English songs. She only sings Chinese songs. They ______ swim. They often go to the swimming pool. My little brother ______ read. He is only two years old. We ______ play football. Let’s go to the playground. 一、用 can 或 can't 填空 can can't can can't can 1. He can draw a cat. （改为否定句） He ______ ______ a cat. 2. I can play the piano. （改为一般疑问句） ______ ______ play the piano? 3. They can speak English. （改为否定句） They ______ ______ English. can't draw Can you can't speak 二、按要求改写句子 4. She can dance well. （改为一般疑问句，并作肯定回答） —______ ______ dance well? —Yes, ______ ______. 5. Tom can swim. （改为一般疑问句，并作否定回答） —______ ______ swim? —No, ______ ______. Can she she can Can he he can't 二、按要求改写句子 1. 你想请求妈妈让你看电视，应该说： A. Must I watch TV? B. Can I watch TV? C. Should I watch TV? 三、情景选择 2. 你想知道同桌会不会打篮球，应该问： A. Can you play basketball? B. Do you play basketball? C. Are you playing basketball? 三、情景选择 3. 你想告诉别人你不会骑自行车，应该说： A. I don’t ride a bike. B. I can’t ride a bike. C. I mustn’t ride a bike. 三、情景选择 4. 同学问你能不能帮他拿书，你同意了，应该回答： A. No, I can’t.. B. Sure, I can. C. I should. 三、情景选择 1. 我会骑自行车。 → ________________________ 2. 他不会游泳。 → ________________________ 四、翻译句子 I can ride a bike. He can't swim. 3. 你会唱歌吗？ → ________________________ 4. 我们可以玩游戏吗？ → ________________________ Can you sing? Can we play games? 四、翻译句子 swim dance football basketball draw piano 问：Can you ... ...?答：Yes,I can... .../ No,I can’t... ... can or can’t? 销售额 第一季度 第二季度 第三季度 第四季度 1 1 1 1 1 1 销售额 第一季度 第二季度 第三季度 第四季度 1 1 1 1 1 1 Phelps couldn’t swim when he was born but he _________ swim really fast now. NEXT can My aunt ________ jump high. She was the best. could NEXT My aunt could jump high. She was the best. But now she ________ do it because she is 90. can’t NEXT He couldn’t drive a car when he was a child but he _______ drive trucks now. He is a truck driver. can NEXT Cats ________ climb trees can NEXT Can I read a book? Yes, you can. 根据情景回答正确的话 Can I play football? No, you can't. 根据情景回答正确的话 Can I play basketball? No, you can't. 根据情景回答正确的话 Can I have some juice? Yes, you can. 根据情景回答正确的话 $