Tra từ now - Từ điển WordNet v3.1

I - noun

the momentary present (Freq. 10)
- Now is a good time to do it
- it worked up to right now
• Hypernyms:
present, nowadays

II - adverb

1. in the historical present;
at this point in the narration of a series of past events (Freq. 283)
- President Kennedy now calls in the National Guard
- Washington now decides to cross the Delaware
- the ship is now listing to port
2. in these times (Freq. 182)
- "it is solely by their language that the upper classes nowadays are distinguished"- Nancy Mitford
- we now rarely see horse-drawn vehicles on city streets
- today almost every home has television
• Syn:
nowadays, today
3. used to preface a command or reproof or request (Freq. 29)
- now hear this!
- now pay attention
4. at the present moment (Freq. 15)
- goods now on sale
- the now-aging dictator
- they are now abroad
- he is busy at present writing a new novel
- it could happen any time now
• Syn:
at present
5. without delay or hesitation;
with no time intervening (Freq. 9)
- he answered immediately
- found an answer straightaway
- an official accused of dishonesty should be suspended forthwith
- Come here now!
• Syn:
immediately, instantly, straightaway, straight off, directly,
right away, at once, forthwith, like a shot
• Derived from adjective:
immediate (for: immediately)
6. (prefatory or transitional) indicates a change of subject or activity
- Now the next problem is...
7. in the immediate past
- told me just now