Looking on the internet deeply has found these results:

Living in London for three years now. is the most popular phrase on the web.

I'm living in London for three years now. 10 results on the web	Living in London for three years now. 123 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.	I have been living in London for three years now. I get it as a city which offers you several different stories and it depends on you which one are you going to�... When Ms. S&C reached out to Mere, an American living in London for three years now, she seemed a little more excited that the sun had been shining for a few�... Biography: I have been living in London for three years now, to start a new career in health and social sciences. Previously, I was born and lived in Paris for the�... When Ms. S&C reached out to Mere, an American living in London for three years now, she seemed a little more excited that the sun had been shining for a few�...

I'm living in London for three years now.

10 results on the web

Living in London for three years now.

123 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.

I have been living in London for three years now. I get it as a city which offers you several different stories and it depends on you which one are you going to�...
When Ms. S&C reached out to Mere, an American living in London for three years now, she seemed a little more excited that the sun had been shining for a few�...
Biography: I have been living in London for three years now, to start a new career in health and social sciences. Previously, I was born and lived in Paris for the�...
When Ms. S&C reached out to Mere, an American living in London for three years now, she seemed a little more excited that the sun had been shining for a few�...