Task 5. fill in the blanks using (not) have to / must (not) / can / could: george has traveled a lot. he ……………………… speak four languages. i can’t sing now but i ………………….. sing very well when i was a child. she will stay in bed till 10 o’clock this morning. because she ………………………….. go to work. many students in turkey ………………………… wear uniform when they go to school. i’m sorry i couldn’t come yesterday. i ……………………….. work late. you’ve been coughing a lot recently. you ……………………….. smoke so much. you have a bad headache. so you ………………………. go to bed early. i can’t swim very far these days but ten years ago i ………………………. swim from one side of the lake to the other. you ……………….. see the sea from our bedroom window. 10. it isn’t permitted to speak turkish during the lessons. so you …………………… speak turkish.
I can’t sing now but I could sing very well when I was a child.
She will stay in bed till 10 o’clock this morning. Because she doesn't have to go to work.
Many students in Turkey must wear uniform when they go to school.
I’m sorry I couldn’t come yesterday. I had to work late.
You’ve been coughing a lot recently. You mustn't smoke so much.
You have a bad headache. So you must go to bed early.
I can’t swim very far these days but ten years ago I could swim from one side of the lake to the other.
You can see the sea from our bedroom window.
It isn’t permitted to speak Turkish during the lessons. So you mustn't speak Turkish.