In 1820 people couldn’t travel to America by plane
but they _________ go there by boat.
could
He ___________ drive a car when he was a child
couldn't
Babies _______ sleep all day along
can
Phelps couldn’t swim when he was born
but he _________ swim really fast now.
can
Cats cam climb trees
but elephants _________ do it.
can't
Phelps ___________ swim when he was born
couldn't
In 1820 people __________ travel to America by plane.
couldn't
Cats ________ climb trees
can
When he was 1 she couldn’t speak but now
he is bilingual. He _______ speak Spanish and English.
can
Babies can sleep all day along but I ________ do it
because I have to work.
can't
When she was 1 she __________ speak
couldn't
He couldn’t drive a car when he was a child
but he _______ drive trucks now. He is a truck driver.
can
My aunt ________ jump high. She was the best
could
She called me for help because she _________ do his homework alone.
couldn't
My aunt could jump high. She was the best.
But now she ________ do it because she is 90.
can't