中考英语动词分类_和概况概要.ppt

can 用法 1）表示能力，与be able to同义，但can只用于现在时和过去时，be able to可用于各种时态。 Two eyes can see more than one. 注：Can you … ? Yes, I can / No,I can’t. 2).表示允许、请求 用could比can 语气更加委婉客气，常用于could I /you …..?句型中，若表示同意时，用can回答而不用could . Could I borrow the book ? No, you can’t . 3）。表示推测 “可能”常用于否定句或疑问句中。（can’t表示一定不是） It can’t be true . Can it be true ? may 用法 1）表允许，请求= can 表示许可或征求对方的许可，常于第一人称连用。 注：May I ….? Yes ,you may No, you can’t / mustn’t . 在回答以may引起的问句时，多避免用这个词，而用其它方式，如Yes, please. / Certainly. 2）表推测，可能、也许。常用于肯定句中。 Maybe he knows the news .= He _____ _____ the news. must 用法 1）表示义务。意为“必须”（主观意志）。 We must do everything step by step. 注：Must I ….? Yes, you must / No,you needn’t(don’t have to ). --Must we hand in our exercise—books now? --No, you needn’t. / No, you don’t have to. 2）mustn’t 表禁止、不允许。 You mustn’t talk to her like that. 3）表示揣测。意为“想必、准是、一定”等，只用于肯定句。否定、疑问句中must改为can . He must be ill. He looks so pale. She’s wearing a diamond necklace. She must have a lot of money. 注：must表推测时，其反义疑问句与must后面的动词一致。 There must be something wrong ,____ ____? need 用法 need既可用作情态动词，也可用作实义动词。用作情态动词时，主要否定句或疑问句中。用作实义动词时，可用于各种句式。 1).用作情态动词，用于否定句和疑问句中。 a).Need I ….? Yes , you must / No, you needn’t . Need we finish the work today ?Yes ，you __ . A.need B.can C. may D.must b).need + do sth . 变否定句：needn’t do sth 变疑问句：Need sb do sth ? need 用法 2).用作实义动词 a).need + to do sth . We need _______(buy) some school things . 变否定句：don’t /doesn’t /didn’t +need to do sth . 变疑问句：Do / Does /Did sb + need to sth ? Yes , … do/ does / did No, sb don’t / doesn’t /didn’t . You don’t need to do it yourself. b).当主语是物时。Sth + need + doing sth = Sth +need to be done . The table needs painting . =The table needs _____ _____ _____ . had better 的用法 1). had better + 动词原形 = It’s best to do sth . You had better ______ (stay )at home . = _____ ______ ______ stay at home . 2). had better not +动词原形 We had better ________(not play ) the computer games . * * ·译林牛津版 ·译林牛津版 课标考点 1．掌握系动词be，keep，loo