语法练习（讲义）牛津上海版（三起）英语三年级下册

动词： 系动词（be动词，连系动词） 情态动词（没有人称单复数变化，跟动词原形） 实义动词（不能对自己否定或提问） 助动词（帮助实义动词变否定或提问） 当句子主语是第三人称单数是，动词变成第三人称单数形式，简称单三，一般+s I 一单 We一复 You二单/复 They三复 like monkeys. My sisters三复 Our brothers三复 Your friends三复 Peter’s toys三复 She三单 He三单 It三单 My sister 三单 likes monkeys. Our brother三单 Your friend三单 Peter’s toy 三单 动词 肯定 否定 一般疑问 be am ,is, are am not isn’t aren’t Am/Is/Are+主语…? 情态动词 can can+动原 can’t+动原 Can+主语+动原…? 实义动词 原形 don’t+动原 Do+主语+动原…? 单三 doesn’t+动原 Does+主语+动原…? 注意：can/can’t/don’t/doesn’t/do/does+动原 请根据主语选择动词形式 注意：be动词跟随人称单复数变化选择用am/is/are 实义动词跟随人称单复数变化选择用原形/单三 情态动词can不随人称单复数变化 They_______________(like/likes) winter. She_______________(have/has) big eyes. We_______________(like/likes) this ball. Our sister_______________(don’t like/doesn’t like) the robots. Her brother_______________(like/likes) our new friend. My father’s books_______________(aren’t/can’t) red and blue. I_______________(don’t like/doesn’t like) this book. He_______________ (don’t like/doesn’t like) these cats. You_______________(like/likes) your dog. His mother_______________(don’t have/doesn’t have) breakfast. Their cat_______________(don’t like/doesn’t like) eating fish. Your handbag_______________(isn’t/aren’t) near the window. _______________(Do/Does) your handbag near the window? _______________(Do/Does) his mother have breakfast? _______________(Do/Does) you like your dog? _______________(Do/Does) her brother like our new friend? _______________(Do/Does) they like winter? _______________(Do/Does) their cats like eating fish？ _______________(Do/Does) she have big eyes？ 1. My sister is 12 years old. 否定句 一般疑问句及回答 对My提问 对My sister提问 对12提问 变复数句 用I改写句子 2. The boys can hear cars. 否定句 一般疑问句及回答 对The boys提问 对cars提问 变单数句 用This girl改写句子 3