Luis ____ swim two years ago. He is great now.
couldn't
I _____ go with you to the party. I have a little time today.
may
Elizabeth ______ cook. She is just terrible at it.
can't
Roberto _____ come to the reunion. He said he was very busy, but that he would try.
might
Raul __________ stay at work late. His shift ends at 8 pm.
doesn't have to
We ______ speak when the teacher is speaking.
mustn't
Mom, _____ you give me some advice?
could
People _____ be rude with foreigners. It is not polite.
shouldn't
Children ____ play for hours without resting.
can
Hey, Jack. _____ you help me with this problem?
Can
Student's _____ use their cell phones during exams. It is not allowed. That's what the classroom rules state.
can't
My brother ____ call my parents when he goes out. That was the condition they put.
must
We don't have more coffee Teresa, _____ we offer you some tea?
could
Roberto _____ stay up late when he was a teenager. Now, he _________:
could/can
______ I come in, please?
May
I just finished my homework and have the weekend free. I _____ go hiking with you.
could/can
You _____ be nice with your aunt. She loves you very much.
should
__________ I have another cup of coffee, please?
May/Can
Mom says I _____ help with the house chores. It's mandatory!!
must
Engineers _____ always wear a helmet at constructions sites. It is a rule.
must
The teacher said we ______ buy the book. We can borrow it from the library. It is not necessary.
don't have to