now and then

any time now

Very soon.

now and again

Synonym of occasionally, sometimes, intermittently.

now for

Used to introduce something that is to occur or be presented next.

now or never

At this sole opportunity or time, or not at all.

now you mention it

Used to precede another comment about something just mentioned.

now you're cooking

Used to praise someone for adopting a more effective or suitable method or approach, or to signal that progress is being made.

now you're talking

A phrase indicating agreement with a previously stated suggestion to change a course of action.

now, more than ever

Used to emphasize the increased urgency or importance of something in the present moment compared to any time in the past.