Respuesta:
If i were you, I would cook a pizza ( "am" es incorrecto ahí)
If i were you, I would play soccer ( "to" es incorrecto)
If i were you, I would study medicine ( was no va con el pronombre i)
( a la pregunta 4 no le encontré algun error, lo siento mucho)
If i were you, i wouldn't sleep here (el not esta mal puesto en la oración)
If i were you, i wouldn't clean the house (lo mismo con el not)
If i were you, i wouldn't sing in the concert ( el wouldn't esta mal escrito)
Espero realmente haberte ayudado un poco ^^
