IF SHE ..... (BE) SO SHY, SHE WOULD HAVE MADE MORE FRIENDS DURING HER STAY HERE.
WASN'T
I ..... (BE) MORE SUCCESSFUL NOW IF I HAD STUDIED HARDER AT UNIVERSITY.
WOULD BE
WE ...... (NEED) TO TAKE COLD SHOWERS ALL WEEK IF WE HAD CALLED A PLUMBER LAST WEEK.
WOULDN'T NEED