[ Tenses ]
Past Perfect Continuous Tense
How long _______ before they finally finished the project?
A. did they work on it
B. had they been working on it
C. have they been working on it
D. were they working on it
Random Topics:
Adverb of TimeRelative & ModalsArticles and NounsFigurative LanguageThe First Conditional (if/unless)Going To Be and WillVerbs of movementConditional Sentence Type 0-3ComparisionVerb PatternsOther quiz:
Grammar › ViewWhich expression shows giving suggestion?
A. You should go to a dentist
B. Open the door, please!
C. Can you tell me what I shoud do?
Plural › View
What is the plural form of knife?
A. Knife
B. Knives’
C. Knifes
D. Knives
E. Knife’s