Hola solicito ayuda con estos conditionals :You would answer this sentence if you studied __________ conditional?

Hola solicito ayuda con estos conditionals : You would answer this sentence if you studied __________ conditional. They ___________ to the party if we had invited them. (To come) If the result is at the beginning of the sentence, the sentence have any comma. (Negativa y contraída) If you ask somebody else about these tricky sentences right now, you ________ your time. (To waste) If the teacher wouldn’t have explained that on time, we __________ bad grades. (To get) If Carolina ______ the new owner, you would earn more money. (To be) This machine __________ if it had a newer operating system. (To work).