(MISTAKE) If they hadn’t been found by the helicopter, they could died in the mountains.
... could have died ...
(REDO) Miranda lost all her money on the stock market. That's why she's not rich now. (would)
If she hadn't lost ... , she would be rich ...
(PUT) If I hadn't fought for our relationship, we ____ (be) together now.
wouldn't be
(PUT) I feel fine because I took the medicine. If I _____ the medicine, I would still be in pain.
hadn't taken
(PUT) If you ______ (take) dad's car without permission last night, you might be in trouble.
had taken
(REDO) Beth didn't study. She didn't pass the exam. (could)
If Beth had studied, she could have passed the exam.
(MISTAKE) They mightn’t have bought tickets if they’d known the play was so dreadful.
correct
(PUT) I am where I am today because you helped me. I _____(be) where I am today if you hadn't helped me.
wouldn't be
(REDO) They stopped the fire. That's probably why it didn't destroy most of the building (could)
If they hadn't stopped the fire, it could have destroyed ...
(REDO) You didn't invite me to the party. That's why I didn't come. (would)
If you had invited ..., I would have come
(MISTAKE) If we’d know about the party, we might’ve gone.
... known ...
(REDO) The plant died because you didn't water it (would not)
If you had watered it, it would not have died
(MISTAKE) If he would’ve been born in the nineteenth century, he wouldn’t have inherited his father’s money.
... had been born ...
(PUT) If you ____ (accept) that job, you would be miserable now.
had accepted