Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Type ONE (still possible):
IF + PRESENT tense, main clause: Future tense (or imperative)
Type TWO (hypothetical: impossible NOW)
IF + PAST tense (to be: were for all) main clause: CONDITIONAL ONE (would + inf.)
Type THREE: (hypothetical: impossible because it is OVER)
IF + PAST PERFECT tense, main clause: CONDITIONAL TWO (would have + 3rd form)