[ 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:
Grammar › ViewAmy：Can I have some watermelon milk, Dad? Dad：Sure. How ＿＿＿ do you want? Amy：Two glasses, please.
A. any
B. some
C. much
D. many
Phrasal Verbs › View
The builders couldn’t ________________________ an explanation for the delay.
A. come around to
B. come up with
C. come into
D. come through
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