语法点八 情态动词should-【培优计划·语法阅读培优】2023-2024学年五年级英语上册配套课件ppt（外研版一起）

1 2 语法点八 情态动词should 3 语法一点通 读一读，学会情态动词should的用法 含义：should作为情态动词,通常用来表示现在或将来的责任或义务,意为“应该，应当”。 链接教材功能句式： 1.You should tidy your toys. 你应该收拾你的玩具。 2.You shouldn't play with the CDs. 你不应该玩CD光盘。 3.You shouldn't be late. 你不应该迟到。 4.You should work hard. 你应该努力学习。 4 01 情态动词should的肯定句 主语+should+动词原形+其他. 例：He should help his mother with the housework. 他应该帮他的母亲做家务。 02 情态动词should的否定句 主语+should+not+动词原形+其他. 例：You shouldn't read loudly. 你不应该读那么大声。 5 03 情态动词should的一般疑问句 Should+主语+动词原形+其他？ 肯定回答：Yes, 主语+should. 否定回答：No, 主语+shouldn't. 例：—Should he go home？他应该回家吗？ —Yes, he should. 是的，他应该。 04 记忆小口诀 情态动词两要点，动词原形跟后面，说话语气较委婉。can表能力，may许可，must责任或义务，否定回答needn't换，need需要，should应该，would愿意，have to被迫表客观。 6 名师点睛 1.should后直接跟动词原形，没有人称和数的变化。 例：You should eat more vegetables. 2.should be后面不加动词，后面加形容词、副词或者方位名词。 例：You should be careful. 7 多学一点 should表示劝告，建议，命令，其同义词是ought to。 should强调主观看法，ought to强调客观要求，在疑问句中通常用should代替ought to。 语法自主测 测一测，看你掌握了多少 Ⅰ.用括号中所给动词的适当形式填空 1.Lucy and Kate shouldn't ____（be） late. be 2.What should he ____（do） for you？ do 3.Lucy should _____（read） books in the classroom. read 4.You shouldn't ______（listen） to music in class. listen 5.We should ______（learn） about computers. learn 8 Ⅱ.句型转换 1.Amy should study hard at school. （改为一般疑问句） _________________________________ Should Amy study hard at school？ 2.I should listen carefully. （用she改写句子） _________________________ She should listen carefully. 3.My brother should be at home now. （改为否定句） ___________________________________ My brother shouldn't be at home now. 4.He should clean his room. （对画线部分提问） ____________________ What should he do？ 9 5.You shouldn't run in the classroom. （改为肯定句） _______________________________ You should run in the classroom. 10 Ⅲ.小练笔 请用情态动词should写一篇关于班级规定的作文，要求字迹工整,词数控制在40~50词之间。 __________ 参考范文： Hello, everyone. Welcome to our class. We love our class and we hope it will become better. We should clean the classroom every day. We shouldn't run in the classroom. We should use kind words in the classroom.