you use 'now' when you are speaking in the present tense or in quotations(direct speech).
for example am doing my homework now.
Dennis said, "I have to go now".
'then's used in indirect speech instead of now.
for example- Dennis said that he had to go then.
hope this was useful
from a high school student.
The sentence is.... I used surtax in a sentence just now.
I don't now
no
you will use it in a sentence like this, ex: I'm so filled with fury right now.
I now have the book my brother had, and he now has a new one.Nice!
i am leering right now.
like how you just did it now
There is a beautiful sunset happening right now.
It is past tense. example: here and then now and then
I'd better scoot, now.
We located their base, now we will attack.
The hero was now legendary, now everyone knew about his extraordinary power.