备考2023届高三假期充电系列情态动词和虚拟语气讲义

eg. Can I use you mobile phone for a call? eg.Can you help me lift this box? ③表示许可,含义为“可以”。 eg.You can’t play football here. eg.Students can take the books out of the reading room if they promise to return them on time. ④表示推测,通常用于疑问句和否定句中。 eg.It can't be the postman at the door. It's only six o'clock. ●用于表推测时,有时候也可用于肯定句中,表示偶尔的行为或状况,译为“有时候会…”。 eg.It is usually warm in my hometown in March, but it can be rather cold sometimes. eg.If you miss this chance, it _ may/can _ may be years before you get another one. may也许,可能。句意:如果你错过了这次机会,也许要很多年之后才能得到另一次机会。[来源 特殊词组 Mike is kind, determined and full of energy. In a word, I _ can’t _ speak too highly of him. can’t …too ...意思为:再……也不为过。句意:迈克善良、意志力坚定,充满活力。总之,怎样赞扬他都不为过分。 例句: Samuel, the tallest boy in our class,_can_easily reach the books on the top shelf. 塞缪尔在我们班上个子最高, 能轻易地够到书架顶上的书本。 否定推测 George _(go) too far .His coffee is still warm. 答案 can’t have gone [考查情态动词。句意:乔治不可能已经走得太远。他的咖啡温乎。can’t have done表示对过去否定的推测,意为“不可能做了……”。] 句型 I _ cannot but admit _ the truth of your remarks, although they go against my interests. 词组can not but do sth.不得不,只好。句意:我不得不承认你说的是真的,尽管它们与我的利益相违背。 真题体验 【2018·北京】In today’s information age, the loss of data _can_ cause serious problems for a company. ★could could 不仅仅是can的过去式,它有时候具有自己独特的含义。 ①表示个体过去拥有的某种能力,译为“能够” eg. The little boy could speak three languages when he was three years old. eg.Tom couldn’t get tickets as they were sold out. When Sandra Day O’Connor finished third in her class at Stanford Law School in 1952, she _could_not find work at a law firm because she was a woman. It was so noisy that we _could_ not hear ourselves speak.