Recognize the conditional perfect continuous sentence: If she had been studying all night, she would have aced the test.
A. If she had been studying all night, she would ace the test.
B. If she had been studying all night, she would have aced the test.
C. If she had been studying all night, she aced the test.
D. If she was studying all night, she would have aced the test.

Random Topics:
Present Perfect Tense and Simple Past TensePerfect TensesGerunds & Infinitives + VocabularyPronouns, Sentence Structure, and ApostrophesEssential and Nonessential ClausesProverbsGerundsVerb TensesContrastive ConjunctionsSentence CompletionOther quiz:
Grammar › ViewWhat tense expresses an action which was in progress quite recently and which affects the present situation, explains or gives reasons for the state of things at the present moment?
A. present simple
B. present perfect
C. present continuous
D. present perfect continuous
Homonyms › View
You are so ___ that you think that everyone is looking at you.
a. vane
b. vain
c. vein
What is the meaning of the word ‘lichen’?
A. Composite organism
B. Algae
C. Moss
D. Fungus
Reported Speech › View
” Congratulations, you did very well in the competition”
A. The teacher congratulated Jack for doing very well in the competition.
B. The teacher congratulated Jack on doing very well in the competition.
C. The teacher congratulated Jack at doing very well in the competition.
