初中英语情态动词用法详解（The use of modal verbs in junior high school）.docVIP

初中英语情态动词用法详解（The use of modal verbs in junior high school） The use of modal verbs in junior high school [modal verb knowledge combing] Modal verbs have specific meanings, but they also need to form predicates with other words in conjunction with auxiliary verbs. In addition, modal verbs have no change in person and number, and modal verbs must follow the verb prototype. Test point 1: the use of modal verbs such as can, may, and must in declarative sentences: 1. can usage: (1) express ability, permission, possibility. When expressing ability, it is generally translated as energy and meeting, that is, one kind of ability, especially the ability of being born, at this time, may and must can not replace it. Such as: She, can, swim, fast, but, I, can, t. She can swim very fast, but I can not. I, can, see, with, my, eyes., I see with my eyes. (2) indicating permission, often in spoken language. For example: You, can, use, my, dictionary., you can use my dictionary. (3) expressing speculation, which means possible, is often used in negative and interrogative sentences, at which time ` can t is translated as impossible. Such as: Can, the, news, be, true, will this news be true? - Can, it, be, our, teacher? Could that man be our teacher? - No, it, can, t, be, our, teacher., He, is, on,, a, visit, to, Wall., the, Great are impossible. Our teacher is visiting the Great Wall. [examples] - I, think, Miss, Gao, must, in, the, library., She, she, would, go, there., She, No., __be, there, I, have, just, been, there., A.can, t, B.mustn, be, said, t, C.needn, t, t, D.wouldn,... According to the following I have just been there, we should know that it is impossible, can t means A 2. could usage: (1) the past tense of.Can means energy, meeting, expressing past ability. Such as: He, could, write, poems, when, he, was,, 10., he will write poetry at the age of two. (2) could expresses a euphemistic tone in an interrogative sentence. At this point, could does not have the meaning of past t