[ Present Perfect and Past Tenses ]
Why is the present perfect continuous used in the sentence: “She has been working on this project all day”?
A. To emphasize a temporary action.
B. To describe a permanent fact.
C. To indicate a completed action.
D. To show an action before another event.

Random Topics:
Modal Auxiliaries and Similar ExpressionsAdverbial Concession ClausesModal, Causative Verb & Elliptical StructureNoun PhrasesGrammar MistakesPast and Present ContinuousVerb PatternsPreposition of PlacePerfect and Past TensesComparative - SuperlativeOther quiz:
Grammar › View“Bro why do you not come to my party” I wish I could but I have to take Arafat to psychiatric hospital. what is the fact?
A. he can’t come
B. he can come
C. he coudn’t come
D. he wouldn’t come
Grammar › View
You are my ________ friend
A. good
B. best
C. gooder
D. bester
Interrogative Pronouns & Adverbs › View_____ is responsible for this project? Anna.
A. Who
B. Whom
C. Which
Adjective › View
I’m _____ that Paul got accepted to Harvard with his low SAT score.
a.amazed
b.amazing
