Choose the correct Structure of the Past Perfect tense
A. have + past participle
B. had + past participle
C. had + past simple
D. has + past participle

Random Topics:
Helping and Linking VerbsTOEFL GrammarDependent ClausesGrammar (Possessive Pronouns)Noun Clauses with THATSentence Structure and Grammar RulesPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousSo, Such, Many, MuchGerunds, Infinitives and Modals of PossibilityNarrative Tenses & ConditionalsOther quiz:
Grammar › ViewWhich of the following is an example of an adjectival clause describing an object?
A. The house where I grew up is now a museum.
B. The girl who won the competition is my best friend.
C. The book that I borrowed from the library is fascinating.
D. The day when we first met was unforgettable.
Has and Have › View
………..have a train.
A. I
B. She
C. They
Vocabulary and Grammar › Viewwhat is the past participle of the word “freeze”
A. froze
B. frozen
C. frizen
D. freezed
Perfect Tenses › View
Lewis: I __________ you an invitation email two days ago.
Danny: Really? I __________ my email.
A. didn’t send / checked
B. sent / didn’t checked
C. sent / didn’t check
D. didn’t send / checked
