That is a wrap on the five-step formula to hit a perfect forehand. Let’s review: first, get into a relaxed ready position. Second, make a strong first move with the racket tip up. Third, keep the racket head behind the ball during your swing. Fourth, turn your hand early. Fifth, have a high finish.
https://tennisevolution.com/tennis-forehand-5-steps-to-hit-a-perfect-forehand