[ Tenses ]
Which of the following sentences is in the present perfect continuous tense?
A. I have been studying for three hours.
B. I studied for three hours.
C. I am studying for three hours.
D. I will study for three hours.

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Modal and Relative PhrasesParallelism and Subject Verb AgreementTime PhrasesModal Verbs for Permission and ObligationVerb 3 formsAdjective ending with ED & INGAdjectives with -ED and -INGPronouns and Subject Verb AgreementClauses and GerundsPrepositions of MovementOther quiz:
Modal Verbs › ViewWhat does the modal verb ‘could’ indicate in the sentence: I could have gone to the party.
A. Permission in the present
B. Possibility or ability in the past
C. Certainty in the past
D. Possibility in the future
Grammar › View
Last year, I had a really ………. experience at the camp site.
A. terrify
B. terrified
C. terrifying
D. terribly
Grammar › ViewI don’t expect you ……………….. all the names and dates.
A. remembering
B. to remember
Transitional Phrases and Conjunctions › View
He loves reading novels; ________, his sister enjoys reading comics.
A. on the other hand
B. therefore
C. because
D. although
