L293D with 2 motors

//L293D with 2 motors
//Motor A
const int motorPin1  = 16;  // Pin of L293
const int motorPin2  = 12;  // Pin of L293
//Motor B
//const int motorPin3  = 10; // Pin  7 of L293
//const int motorPin4  = 9;  // Pin  2 of L293

//This will run only one time.
void setup(){

    //Set pins as outputs
    pinMode(motorPin1, OUTPUT);
    pinMode(motorPin2, OUTPUT);
  //  pinMode(motorPin3, OUTPUT);
  //  pinMode(motorPin4, OUTPUT);

    //Motor Control - Motor A: motorPin1,motorpin2 & Motor B: motorpin3,motorpin4


   /*
    //This code will turn Motor B clockwise for 2 sec.
    digitalWrite(motorPin1, LOW);
    digitalWrite(motorPin2, LOW);
    digitalWrite(motorPin3, HIGH);
    digitalWrite(motorPin4, LOW);
    delay(2000);
    //This code will turn Motor B counter-clockwise for 2 sec.
    digitalWrite(motorPin1, LOW);
    digitalWrite(motorPin2, LOW);
    digitalWrite(motorPin3, LOW);
    digitalWrite(motorPin4, HIGH);
    delay(2000);

    //And this code will stop motors
    digitalWrite(motorPin1, LOW);
    digitalWrite(motorPin2, LOW);
    digitalWrite(motorPin3, LOW);
    digitalWrite(motorPin4, LOW);
    */

}


void loop(){

   //This code  will turn Motor A clockwise for 2 sec.
    digitalWrite(motorPin1, HIGH);
    digitalWrite(motorPin2, LOW);

    delay(2000);
    //This code will turn Motor A counter-clockwise for 2 sec.
    digitalWrite(motorPin1, LOW);
    digitalWrite(motorPin2, HIGH);

    delay(2000);

    digitalWrite(motorPin1, LOW);
    analogWrite(motorPin2, 75);

    delay(2000);


}