b/ If I had bought more milk, I would have enough for breakfast
c/ If we haven't forgotten to take a map, we wouldn't have lost
d/ If I have gone to bed early, I would have waken up at 7.00
e/ if Mike had made a shopping list, He wouldn't have forgotten to buy some coffee
f/ If I had known you were tired, I wouldn't have asked you to go for a walk.
g/ If the Romans had sailed across the Atlantic, they would have reached America.
h/ If I hadn't turn left at the station, I would have lost