Phelps ___________ swim when he was born (could, couldn't, can, can't)
could
Phelps couldn’t swim when he was born but he _________ swim really fast now. (could, couldn't, can, can't)
can
My aunt ________ jump high. She was the best. (could, couldn't, can, can't)
could
My aunt could jump high. She was the best. But now she ________ do it because she is 90. (could, couldn't, can, can't)
can't
He ___________ drive a car when he was a child (could, couldn't, can, can't)
couldn't
He couldn’t drive a car when he was a child but he _______ drive trucks now. He is a truck driver. (could, couldn't, can, can't)
can
Cats ________ climb trees. (could, couldn't, can, can't)
can
He has flu. He ________ stay at home. (should, shouldn't)
should
He has backache. He ________carry heavy things. (should, shouldn't)
shouldn't
She has a headache. She ________ take painkiller. (should, shouldn't)
should
Steve has stomachache. He ________ drink lemon and mint tea. (should, shouldn't)
should
A pirate …………… be brave. (must, mustn't)
must
Pirates ……………… have a ship with a flag. (must, mustn't)
must
A pirate ……………… be afraid of monsters. (must, mustn't)
mustn't
A pirate ………………… listen to the captain. (must, mustn't)
must
A pirate………... find new treasures. (must, mustn't)
must
