Cuando yo llegué Ana y Carlos ya se habían ido, de forma que no pude hablar con ellos.When I arrived Ana and Carlos had already left, so, I couldn't speak with them.
Hay que agarrar la raqueta de forma que no salga volando al golpear la pelota.You have to hold the racket in such a way that it doesn't fly out of your hand when you hit the ball.
Un profesor tiene que hablar a su alumnos de forma que le puedan entender.A teacher has to talk to his students in such a way as to be understood by them.
Se quedaron con el dinero, pero de forma que nadie pudiera acusarles de ladrones.They kept the money, but so as no one could accuse them of being thieves.