Formal charge of Cl in CHCl3

If the symbol x represents a central atom, y represents outer atoms, and z represents lone pairs on the central atom, the structure. classify these structures by the hybridization of the central atom. sp sp2 sp3 sp3d sp3d2 xy2, xy3 , xy4, xy5, xy2z,xy6,xy2z2,xy2z3,xy3z2,xy4z,xy4z2,xyz3xy5z