Question

what is the necessary corrections for mario y yo somos feo

Answer 1

It doesn't seem that there is a mistake here...but why would you say you are both ugly???

Answer 2

There is no corrections needed except that the "m" in "mario" has to be capitalized and their need to be a period at the end of the sentence, so "Mario y yo somos feo."

Answer 3

feoS , use the "s" because you are talking in plural