综合复习（课件）-2023-2024学年人教PEP版英语四年级下册

Can you can a can as a canner can can a can? 你能像罐头工人一样装罐头吗? 情态动词Can 主讲人:Ora 何为 情 态? 情 心理活动情感 态 肢体活动情态 情态动词 表示说话人情感、语气、神态、态度的动词。 情态动词 can 01 构成---What is it? 02 概念---When to use it? 03 特点---What’s the difference? 04 变化---Any other forms? Part 1 构成---What is it? 主语 can 动原 其他 ● I can sing a song. ● He can play football. ●You can swim. 构成---四部分 概念---When to use it? Part 2 概念---三种情形 01 I can sing. I can read. I can do my home work. 02 Can I sit here? Yes, of course you can. That your ability can reach the standard. He can’t be my brother. 03 表示能力 表示请求/允许 表示推测(一般用于否定) Part 3 特点---What’s the difference? 特点---两个注意 第一 、第二、 三人称都一样 无人称变化 ● I can sing. ● You can sing. ● He can sing. ● She can sing. ● Lily can sing. ● My friend can sing. 无数的变化 单数、复数都相同 ● I can swim. ● We can swim. ● You can swim. ● He can swim. ● They can swim. ● Tom and I can swim. 变化---Any other forms? Part 4 否定-----------直接加not can not=can’t ·You can go to the party. ·You can not go to the party ·You can’t go to the party. 否定 一般疑问句 can提前(变人称) ·I can dance. ·Can you dance? ·Yes,主语 + can. ·No, 主语 + can’t. 特殊疑问句 特殊疑问句+一般疑问句 ·Where can you find it? ·What can you do? ·How can I help you? 疑问 can 主语 动原 其他 ● Can you sing a song. ● Can he play football. ● Can I swim. Can 引导的疑问句的构成 Can 引导的肯定句变成疑问句的方法: 一调 二改 三问号 3、在句尾后面加问号。(三问号) 1、can 提前，首字母大写。(一调) 2、肯定句中主语在变成疑问句时的变化。(二改) 第一、二人称要互换 如: 肯定句:You can feed the animals.你可以喂动物。 疑问句:Can I feed the animals?我能喂动物吗? 例题讲解 陈述句; I can speak English. 否定句: 疑问句: I can not speak English. Can you speak English? 情态动词can 构成 含义 can +动词原形:I can sing. 1.能力 He can swim. 2.请求/允许 Can I sit here? Yes, of course you can. 3.推测 He can’t be my brother. 特点 无人称和数的变化 I can +v. / He can +v. / We can +v. 否定 can not=can’t 疑问 一般疑问句: can提前: Can you dance? Yes, I can. No, I can’t. 特殊疑问:特殊疑问词+一般疑问句? What can you do ? can的口诀 情态动词can、can、can， 动词原形跟后面 变疑问can提前，变否定not后面。 主语人称单复数，情态动词不能变。 课后练习 情态动词can练习题 _______