Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
can can't could couldn't
0
%
0
0
0
Back
Restart
Phelps ___________ swim when he was born
couldn't
Oops!
Okay!
Cats ________ climb trees
can
Oops!
Okay!
My aunt could jump high. She was the best. But now she ________ do it because she is 90.
can't
Oops!
Okay!
He couldn’t drive a car when he was a child but he _______ drive trucks now. He is a truck driver.
can
Oops!
Okay!
Phelps couldn’t swim when he was born but he _________ swim really fast now.
can
Oops!
Okay!
When he was 1 she couldn’t speak but now he is bilingual. He _______ speak Spanish and English.
can
Oops!
Okay!
Babies can sleep all day along but I ________ do it because I have to work.
can't
Oops!
Okay!
She called me for help because she _________ do his homework alone.
couldn't
Oops!
Okay!
My aunt ________ jump high. She was the best
could
Oops!
Okay!
Babies _______ sleep all day along
can
Oops!
Okay!
Cats cam climb trees but elephants _________ do it.
can't
Oops!
Okay!
When she was 1 she __________ speak
couldn't
Oops!
Okay!
In 1820 people __________ travel to America by plane.
couldn't
Oops!
Okay!
In 1820 people couldn’t travel to America by plane but they _________ go there by boat.
could
Oops!
Okay!
He ___________ drive a car when he was a child
couldn't
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies