Identify the verb tense in the sentence: ‘He has been studying all night.’
A. Present simple
B. Future perfect continuous
C. Past perfect continuous
D. Present perfect continuous

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Simple Present Tense/be/Present ProgessiveElectricity VocabularyTenses and ConclusionsSimple TenseWill vs be going toTenses and Passive VoiceContinuous and Perfect TensesPresent Simple & ContinuesGrammar - FutureComparatives - SuperlativeOther quiz:
Grammar › ViewChoose a correct answer.
A. I’ve known my best friend for two years.
B. I’ve known my best friend since two years.
Comma › View
Which sentence is written correctly?
A. After the storm ended we went outside to survey the damage.
B. After the storm ended we went outside, to survey the damage.
C. After the storm ended, we went outside to survey the damage.
D. After the storm ended, we went outside, to survey the damage.
Can you believe what he said just now?
A. Yes, I am.
B. Yes, I was.
C. Yes, I can.
D. Yes, I does.
Irregular Verbs › View
We thought we would ______________ for sure.
A. lost
B. lose
C. loose
