Complete the sentences with can, could, may, might, should or must in the positive or negative.1. richard's only three but he can, swim very well.2. you've had that headache for two days. i think you go to the doctor.3. i was listening very carefully but hear what she said.4. i lived in germany as a child so i ¬¬¬¬ speak german then but i speak it now.5. i know you like sugar but you eat quite so much - it's bad for you.6. you close the door, please? 7. we move house next year but we're not sure yet.8. passengers smoke when the plane is taking off.9. i think you play tennis with sally - she play really well.10. 'll be at work on saturday so i'm afraid come to the football match with you
