Match the verb and its function.
1 Should I ask my teacher for help?
2 I ought to go to the doctor.
3 We must go out for a lunch.
4 You mustn’t park here.
5 I can lift that easily.

А when you give someone a piece of advice
B when you are able to do something
C when it is obligatory for you to do something
D there is a necessity in doing something
E you are not allowed to do something