| What's the noise? It must be raining. | | |
| You must take your shoes off in here. | | |
| The wires must touch or it won't work. | | |
| You mustn't worry-yu'll be fine. | | |
| I must have left my wallet in the car. | | |
| In order to qualify for the job, you must have had several years' experience. | | |
| You mustn't have had any driving convictions or you won't get the job. | | |
| You must visit us one day. | | |
| He must be ill. | | |
| Can I smoke here?- If you must. | | |