[ Verb Tenses ]
Identify the tense of the verb in the sentence: ‘They have been studying for hours.’
A. Future perfect tense
B. Past continuous tense
C. Present simple tense
D. Present perfect continuous tense
Select your answer:

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To Infinitive or GerundComparative AdverbGrammar and AbsenceFuture Continuous TenseTenses and VoiceFirst & Second ConditionalCan vs be able toHas and HaveSubject Verb Agreement; Indefinite PronounsFuture Simple TensesOther quiz:
Grammar › ViewIs there __________ there? I can hear a noise.
A. anyone
B. someone
C. no one
Phrasal Verb › View
Could you ________ your room, please? It’s a mess!
A. do up
B. clear up
C. pick up
D. take in
