I. Dùng “Would you like…?Để viết câu đưa ra lời mời. Sau đó viết câu chấp nhận (accept) hoặc từ chối (refuse) lời mời. Ex: go to the moives (accept/ refuse) Would you like to go to the movies? I’d love to./ I’d love to but I can’t. 1. Play soccer with us (accept) .Would you like to play soccer with us? . I’d love to 2. Have a walk with me (refuse) .Would you like to have a walk with me? . I’d love to but I can’t. 3. Go swimming (accept)  .Would you like to go swimming? . I’d love to. 4. Play table tennis (accept)  .Would you like to play table tennis? . I’d love to. 5. Jog with me (refuse)  Would you like to jog with me?  I’d love to but I can’t. 6. Play video games (refuse)  Would you like to play video games?  I’d love to but I can’t. II. Viết câu cho lời khuyên, dùng “Ought to hoặc Ought not to”. Ex: His stomach is aching. (not eat green fruit) . He ought not to eat green fruit. 1. Her room is very dirty. (clean it every day) .She ought to clean it every day. 2. I play table tennis badly.(parctice tennis more regularly) .You ought to parctice tennis more regularly. 3. My father has a sore throat. (not smoke so much)  .He ought not to smoke so much. 4. Nam feels very tired (go to bed early)  .He ought to go to bed early. 5. He had an accident last week. (not drive so fast) . He ought not to drive so fast. 6. I catch flu. (stay in bed)  You ought to stay in bed. Ex: I have a headache. (see a doctor) . You ought to see a doctor. 7. Hoa feels sleepy. (not stay up late)  She ought not to stay up late. 8. His shirt is very old. (buy a new one)  He ought to buy a new one. III. Điền vào chỗ trống với các động từ hình thái “Can, must, should, ought” 1. You ………… your hands before meals. 2. John is very good at math. He …………do all math problems. 3. It’s too late. I …………….go now. 4. She gets bad marks at chemistry. She………………to study harder. 5. The traffic lights are red. You………………stop. 6. ……………… I go to the movies now? Ex: My father can speak English and French. 7. Children ……………drink lots of milk. 8. He ……………….to drive more carefully.ought should should Can must can must ought