[ Grammar ]
Which option correctly forms the past perfect tense of the verb “to see”?
A. has seen
B. saw
C. had seen
D. have seen

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Connectives (because, due to, owing to, because of)Past, Present, FutureDo / Have / Can - Basic QuestionsQuantifiersPronoun Antecedent AgreementZero ConditionalPossessive NounsModals Deduction: cant /mustEmployment VocabularyReporting VerbsOther quiz:
Modal Verbs › ViewYou …………… go to the party; only if you want to.
A. don’t have to
B. needn’t to
C. shouldn’t
Narrative Tenses › View
[…]
Tony: We got here at 6:00 o’clock this morning. More than forty people______________here waiting for tickets when we arrived.
[…]
A. already standed
B. were already standing
C. had already standed
D. had already been standing
Adjectives vs Adverbs › ViewTim is very ___. He always helps me with English.
A. kindly
B. kind
C. bad
D. badly
Grammar › View
The biggest waterfall ….. the world in Venezuela.
A. in
B. on
C. at
