I thought it wasn’t necessary to change the password, but I was wrong. A. I needn’t have changed the password. B. I might have changed the password. C. I should have changed the password. C.
I thought it wasn’t necessary to change the password, but I was wrong.
A. I needn’t have changed the password.
B. I might have changed the password.
C. I should have changed the password.
D. I can’t have changed the password.