情态动词有词义，表示语气的单词。但它不能单独作谓语，它必须和其他动词一起构成谓语。情态动词后面跟动词原形。 二、情态动词的种类： 情态动词 can could may must shall should need would 词义 能够，会 能够，会 可以 必须 将，要 应该 需要 将会，愿 三 情态动词的用法及主要句型： 1、Can + 主语 + 动词原形? Yes, ～ can. /No, ～ can’t. 2、May I ...?----- Yes, please./Sorry, please don’t. 3、should 、shouldn’t 表示劝告： He should get up early. Should +主语 +动词原形? Yes, ～ should.\ No, ～ shouldn’t. 4、表示建议“你愿意…吗” Would you like to go shopping with me? -----Yes, I’d love to. / I’d love to. But I’m busy now. 5、shall用于第一人称(I, we), 可以表示“将”和表示建议 “……好吗?” Shall we watch a cartoon? -----All right. /OK. /Good idea/Great. 相关练习： 一 选择题 （ ）1. you like some milk ? A . Would B. Could C . Can （ ）2. We pick the flower in the park. A. can’t B. don't C. mustn’t ( ) 3.W e should more trees, and we shouldn’t cut any trees. A. plant B. planting C. plants ( ) 4.May I have some coffee?--- A.Yes,you have. B. Yes,you can. C. Yes,certainly. ( ) 5.Shall we visit the factory?--- A.Yes,we do. B.Yes, we shall. B.All right. ( ) 7.She can not ____________ game every night. A.plays B.playing C.play D.played ( ) 8. I must ____________ home before 6:00 pm. A.going B.go C.went D.goes ( ) 9. May I ____________ you? A. help B.helping C.helps D.helped 二 根据括号中的提示填空。 1. What can you _________(do)? 2 .He likes________ (read) 3. My mother can ________ (cook) the meal. 6. Let’s ______________________________（一起去游泳）. 8. Are you _______________ （擅长）playing tennis? 9. Workers can ________(make) machines for people. 10. He hopes __________ (win) a prize for his team. 家庭作业 二．选择题 ( ) 1. He often helps ______ clean the room . A.me B. I C. my ( ) 2. He usually ______ animals _______ his sister. A.draw, with B. draws, with C. draws, for ( ) 3.Let’s _________ the Monkey King. A.watches B.watching C.watch ( ) 4. I enjoy______. A.read B.to read C.reading. ( ) 5 .I like _____ a cake? A.make B.making C.makeing ( ) 6 .What can I do _____ you? A.of B.for C.to ( ) 7.We can help ________. A. her B. she C. he ( ) 8. --Can your father play basketball? ----_________________. A .Yes,she can B.Yes,he can't C.No,he can't. 本文来源：https://www.wddqw.com/doc/5698abf2ae51f01dc281e53a580216fc710a5378.html