Вроде не сложно, но я не понимаю эту тему... помогите пожалуйста). 3 номер

I can speak englishmy father cant speak dutchcan you speak franch?my sister cant skatingcan you swim across this river?i cant drink this milkmay i come in?may i go to walk?if your job is done you may go hometeacher said we may go homedoctor says I may swim alreadyfather told me i may go to the cinema alonei thought i may watch a tvif you wont  wear a coat you may get sick1 can 2 may 3 can 4 can 5 may 6 may 7 can, may 8 may 9 can 10 may1 may  2 may 3 can 4 ? 5 may 6 may 7 may 8 can can cani must go to the store today, cook a dinner, do my homework, go to school, write a letter to the brotheri have to go to the store today, cook a dinner, do my homework, go to school, write a letter to the brotheri had to go to the store today, cook a dinner, do my homework, go to school, write a letter to the brother