Identify the verb tense in the sentence: They have been working on this project since morning.
A. present simple
B. present perfect continuous
C. past perfect continuous
D. future perfect continuous

Random Topics:
Kinds of NounsElectricity VocabularyIN, ON & ATSentence Adverbs & Third ConditionalModals and Modal PerfectsNoun PhraseSimple Present - Negative & Interrogative-ed or -ingGrammar - could / could notConditional ClauseOther quiz:
Present Simple or Present Continuous › ViewSam is talking to the teacher. …………………… Sue and Amy …………………….. for him?
A. Does ……………….wait
B. Is ……………….. waiting
C. Are ……………. waiting
Grammar › View
You can keep my iPod if you like. I ________ it any more.
A. don’t use
B. didn’t use
C. doesn’t use
D. am not using
Tenses › ViewWhile Bill _________basketball, his mother ______home.
A. was playing,came
B. am playing,will come
C. plays,comes
D. played,came
Reported Speech › View
” I will come to help you tonight”
A. She said she would come to help me that night.
B. She promised to come and help me that night.
C. She agreed to come and help me tonight.
