人教版初中英语·语法趣讲 11 -- 助动词&情态动词

初中英语·语法趣讲 FROM NEWBIE TO MASTER 教师______ 英语组 学校______ 助动词&情态动词 何为 助动词？ 助 + 动词：帮助 【动词】 的词 英语中的助动词有be，do，have，shall，will等。助动词本身一般没有词义，不能单独作谓语，其作用是同其他动词一起构成谓语，表示时态、语态、语气，构成疑问或否定形式。 何为 助动词？ 助 + 动词：帮助 【动词】 的词 Tom goes to school every day. Tom doesn`t go to school every day. Does Tom go to school every day? 肯 否 疑 常见 助动词 be: am is are; was were have: have has; had do: do dose; did will: would 助动词 的 应用 Does Tom go to school every day? Tom has finished his homework. Tom will go on a picnic tomorrow. Tom is playing football. 何为 情态动词？ 情态 + 动词 用于 【动词】 前，表达 情感、语气 状态 Tom goes to school today. Tom must go to school today. 1 2 何为 情态动词？ 情态动词本身有意义，表示说话人的某种语气、态度或看法。情态动词不能单独作谓语，要同行为动词或连系动词一起构成谓语。 情态 + 动词 用于 【动词】 前，表达 情感、语气 状态 常见 情态动词 现在式（原形） 过去式 can may must shall will could might must should would 词义 能够 可以，或许 必须，不得不 应该 将要，愿意 I can do it. I may be late, so don`t wait for me. You must get to school on time. 情态动词 的 应用 常见 情态动词 现在式（原形） 过去式 can may must shall will could might must should would 词义 能够 可以，或许 必须