Someday people were/will be able to travel in space.
will
We can express and ask about ability using....
can/could and be able to
Give an example of a sentence using "can"
Can you remember the teachers' names?
able/are/you/memorize/phone numbers/to ?
Are you able to memorize phone numbers?
(Find the mistake). That bird isn't able survive without water.
able to
(Find the mistake). I can to speak Korean.
can speak
Is/Will Alicia able to go running with us?
Is
from/can/what/you/story/remember/the ?
What can you remember from the story?
my/two/I/my/minutes/breathe/can/for/hold
I can hold my breathe for two minutes.
Give an example of a sentence using "could"
They could go around the desert.