[ Past Perfect Simple & Past Perfect Continuous ]
I realized that I (forget) to thank them.
Which is the correct past perfect simple for the sentence above?
A. had forget
B. has forgotten
C. having to forget
D. had forgotten
Random Topics:
Nouns and QuantifiersLinking Words and PhrasesSimple Present and Simple PastMixed TensesModal and Modal PerfectVerbs + Infinitives / GerundsPresent Perfect Negative and InterrogativeMixed ConditionalSimple TenseTime and CalendarOther quiz:
Present Simple › ViewIt _______ here in December.
A. snow
B. snowes
C. snows
Modal Verbs › View
He _______ been at the meeting; I saw him in the office.
A. must have
B. could have
C. should have
D. might have