Using : NOT HAVE TO / MUSTN'T / 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.• It isn’t permitted to speak Turkish during the lessons. So you ___ speak Turkish.
• George has traveled a lot. He can speak four languages. • 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 mustn't 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 shouldn't smoke so much. • You have a bad headache. So you should 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.
• George has traveled a lot. He can speak four languages.
• 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 mustn't 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 shouldn't smoke so much.
• You have a bad headache. So you should 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.