[ Tenses ]
I had been helping my neighbor for a year before he finally thanked me.
A. Past Simple
B. Past Continuous
C. Past Perfect Continuous
D. Past Perfect

Random Topics:
Prepositions - ConjunctionsFuture Perfect ContinuousSimple Present ProgressiveGerunds, Infinitives and Modals of PossibilityCoordinating Conjunctions and Comparative AdjectivesAdverbs, Prefixes, and SuffixesSimple and Progressive Verb TensesAdverb or AdjectiveVerbals and GerundsGrammar - help/have/let/makeOther quiz:
Grammar › ViewYou can‘t just bury your________ in the sand and hope that this problem goes away.
A. book
B. head
C. hand
D. foot
Homonyms › View
She keeps her root vegetables in the base___.
a. meant
b. ment(a suffix)
Are you ___ dressed?
a. already
b. all ready
Tenses › View
was and were + verb -ing is the auxiliary for…
A. present perfect
B. past simple
C. past continuous
D. present simple
