Answer
Carbon forms 4 bonds to have a formal charge of 0. Since carbon has 3 bonds, it has a formal charge of +1.
Work Step by Step
Formal Charge (FC) = [number of valence electrons] - [number of non-bonding electrons] - 1/2 [shared electrons]
FC (carbon) = 4-0-3 = +1
FC (hydrogen) = 1-0-1 = 0