do
US /də/
UK /də/

1.
perform an action, task, or duty
:
•
What are you going to do today?
•
She always tries her best to do a good job.
2.
3.
be suitable or acceptable
:
•
Will this amount of money do?
•
That will do, thank you.
1.
used as an auxiliary verb to form questions and negative statements
:
•
Do you like coffee?
•
I do not understand.
2.
used to give emphasis to a verb
:
•
I do believe you.
•
He does work hard.