[ Grammar ]
CHOOSE THE CORRECT GRAMMAR TENSE
They have been working all day
A. Present Perfect
B. Present Perfect Progressive
C. Past Perfect
Select your answer:

Random Topics:
Used to & would & Past SimplePRESENT SIMPLE - CHILDRENGrammar for IELTSIdiomsPast Simple vs Present SimpleArticles & Compound NounsFew, a few, little, a littleTo Infinitive or Bare InfinitiveParticiple - ing/ edPassive Voice - Past SimpleOther quiz:
Grammar › View___ at the airport more early, he would have met his friend.
A. than he arrived
B. had he arrived
C. when he arrived
D. he had arrived
Modal Verbs › View
Sam hasn’t studied well. He………………fail the exam.
A. can
B. could
C. might
D. should
