How do you plan to solve it?
module sr_latch_enable ( input EN, input S, input R, output reg Q, output reg Qn ); always @(*) begin if(EN) begin if(R)begin Q <=1'b0; Qn <=1'b1; end else if(S) begin Q <=1'b1; Qn <=1'b0; end end end endmodule