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.

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Present Perfect Tense and Simple Past TensePerfect TensesGerunds & Infinitives + VocabularyPronouns, Sentence Structure, and ApostrophesEssential and Nonessential ClausesProverbsGerundsVerb TensesContrastive ConjunctionsSentence CompletionOther quiz:
Future Tenses › ViewWhich sentence is correct?
A. She will be traveling to Paris next week.
B. She travels to Paris next week.
C. She will travel to Paris next week.
D. She is traveling to Paris next week.
Grammar › View
Choose the correct alternative.
My grandpa wore this watch when he was at school.
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A. Passive voice
B. Active voice
Vocabulary › ViewWhat 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.
