Looking on the internet deeply has found these results:

He was bitting by mosquitoes is the most popular phrase on the web.

He were bitten by mosquitoes 12 results on the web	He was bitting by mosquitoes 120,200 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Well, you were bitten by a banana spider. C. They were bitten by a human. You were bitten by an inmate from a prison awash in hep Heather, you were bitten by a hobo spider. I'll close this so you won't get bitten by mosquitoes. I'm not buying that all 4 of these people got bitten by mosquitoes. And I was glad when I finally woke up and found myself bitten by mosquitoes.	It's spread by mosquitoes in Africa, Southern India and Southeast Asia. The virus is transmitted by mosquitoes which also act as an important reservoir. I'm an escaped convict who is plagued by mosquitoes. Now, malaria is of course transmitted by mosquitoes. Her heart was bitting so loudly that surely he could hear it. This dog is eaten up by mosquitoes. I am not concerned with be eaten by mosquitoes. He thought it was transmitted by mosquitoes.

He were bitten by mosquitoes

12 results on the web

He was bitting by mosquitoes

120,200 results on the web

More popular!

It's spread by mosquitoes in Africa, Southern India and Southeast Asia.
The virus is transmitted by mosquitoes which also act as an important reservoir.
I'm an escaped convict who is plagued by mosquitoes.
Now, malaria is of course transmitted by mosquitoes.
Her heart was bitting so loudly that surely he could hear it.
This dog is eaten up by mosquitoes.
I am not concerned with be eaten by mosquitoes.
He thought it was transmitted by mosquitoes.