Is used in dealing with things or change in past scenario yielding to different results. It is formed using this structure: condition – if + past perfect; main clause – would have + past participle.
A. Zero
B. First
C. Second
D. Third

Random Topics:
PrepositionFuture - Will and Be going toThird ConditionalAuxiliary and Modal VerbsTenses: Present simple, Past Simple, Future SimpleJobsAdverb PhrasesPast Simple vs Present SimpleUnscramble SentenceQuantifies and Modals of DeductionOther quiz:
Comma › ViewWhich sentence has the correct comma placement?
A. I wonder if one day, Nathan, you will love me as much as I love you.
B. I wonder if one day Nathan, you will love me as much as I love you.
C. I wonder if one day Nathan you will love me as much as I love you.
D. I wonder, if one day Nathan, you will love me as much as I love you.
Grammar › View
I ___ a lie to a friend. They say I’m very honest.
A. have never told
B. didn’t tell
C. told
D. have told
Conjunctions and Prepositions › ViewWhich is your favorite holiday, Christmas ______ Thanksgiving?
A. and
B. but
C. or
Modals › View
I … write a book review for the website next year.
A. could
B. will be able to