Looking on the internet deeply has found these results:

I have to go now is the most popular phrase on the web.

I gatta off now 10 results on the web	I have to go now 165,300 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	3 mar. 2009 ... Clipe do novo sucesso da banda Jammil e Uma Noites, Tchau, I Have To Go Now. O Jammil � presen�a confirmada no AX� 2009, dias 3 e 4�... (I) have to go now. an expression announcing the need to leave. Fred: Bye, have to go now. Mary: See you later. Take it easy. Sue: Would you help me with this�... Instead, Meyers dubs the correct line Oh not much, just�... Hey guys, what are you up to? "I have to go now. My planet needs me." I have to go now. My planet needs me. What you say when you need to get out of an awkward situation, fast.

I gatta off now

10 results on the web

I have to go now

165,300 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

3 mar. 2009 ... Clipe do novo sucesso da banda Jammil e Uma Noites, Tchau, I Have To Go Now. O Jammil � presen�a confirmada no AX� 2009, dias 3 e 4�...
(I) have to go now. an expression announcing the need to leave. Fred: Bye, have to go now. Mary: See you later. Take it easy. Sue: Would you help me with this�...
Instead, Meyers dubs the correct line
Oh not much, just�...
Hey guys, what are you up to?
"I have to go now. My planet needs me."
I have to go now. My planet needs me. What you say when you need to get out of an awkward situation, fast.