We use 'now' to talk about what is happening at this exact time. It means the present moment or right away.
I am hungry now.
She is working now.
Here, 'now' means from a time before until this present time. It shows the meaning of 'until this time'.
I have not seen him now.
Now, I understand the problem.
People say 'now' at the start of a sentence to change the subject or continue talking about something. It helps conversation flow.
Now, let's start the game.
Now, what do you think?
'Now' can mean do something right away. It shows a sense of urgency or immediate action.
Come here now.
Do your homework now.
Sometimes 'now' is a noun meaning the present time itself, the moment happening currently, different from past or future.
Live in the now.
The now is important.
As an interjection, 'now' calls attention to something important or exciting that is about to happen or be said.
Now! Watch carefully!
Now! That was amazing!
'Now' is used in many phrases to mean do something without delay or as soon as possible.
Do it now, please.
Call me now.