Looking on the internet deeply has found these results:

interested in doing is the most popular phrase on the web.

interested in do 1326,000 results on the web	interested in doing 126,300,000 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 don't know if you'd be interested in doing an interview. I don't think he's interested in doing anything with anyone other than you. You're not interested in doing a story on me. She's not interested in doing anything in the privacy of your home, okay? Do you have any ideas what electives you're interested in doing? He really wants to get Matt over here to the network, and so far, this is the only project he's interested in doing. Moreover, as we have already seen, David Cameron recently travelled to China, very interested in doing business with the country, but forgetting to make a single forceful reference to human rights.

interested in do

1326,000 results on the web

interested in doing

126,300,000 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 don't know if you'd be interested in doing an interview.
I don't think he's interested in doing anything with anyone other than you.
You're not interested in doing a story on me.
She's not interested in doing anything in the privacy of your home, okay?
Do you have any ideas what electives you're interested in doing?
He really wants to get Matt over here to the network, and so far, this is the only project he's interested in doing.
Moreover, as we have already seen, David Cameron recently travelled to China, very interested in doing business with the country, but forgetting to make a single forceful reference to human rights.