Which sentence uses the past perfect tense correctly?
A. I have eaten breakfast before I left for school.
B. I had eaten breakfast before I left for school.
C. I was eating breakfast before I left for school.
D. I ate breakfast before I left for school.

Random Topics:
Verb to haveTime Clauses of FutureAction VerbPresent and Past Simple PassiveGrammar and UsageSimple Present and Past TenseGrammar and IdiomsDeterminers & QuantifiersTransitional WordsPresent Perfect and Past SimpleOther quiz:
Modals and Past Modals › ViewWe have to turn our mobiles off before the plane takes off.
A. The plane hasn’t taken off yet
B. The plane has already taken off
C. The plane is now taking off
D. The plane doesn’t allow mobiles
Gerund and Infinitive › View
It is rude…… at people.
A. staring
B. to stare
C. to staring
D. stare
Present Progressive (Future) › View__________ your sister_______________ to Europe tomorrow?
A. Is / travelling
B. Are / travelling
C. Does / travelling
D. Do / travelling
Modals › View
They ____ have finished their homework already; they started right after school.
A. can
B. must
C. would
D. will
