[ Yes-No Question ]
The passengers have been waiting for thirty minutes.
- Have been the passengers waiting for thirty minutes?
- Have the passengers been waiting for thirty minutes?

Random Topics:
Articles A and AnModal Verbs for SpeculationQuantifiers & Modal VerbsUsed to - Would - TensesInfinitive or GerundVerb to Be Tenses & Object PronounGrammar and ReadingSubordination ConjunctionsSimple Present Negative and QuestionPresent Simple QuestionsOther quiz:
Adverbs of Frequency › ViewIf in the sentence, there is a verb to be. What is the location of the Adverb of frequency?
A. At the beginning of the sentence
B. Between Pronoun and Verb to be
C. At the end of the sentence
D. Between Verb to be and complement.
Present Simple & Present Continuous › View
We are playing volleyball.
A. Present Simple
B. Present Continuous
Grammar › ViewThe Thompson arrived ______ Thailand when went on their holiday.
A. in
B. at
C. about
D. to
Grammar › View
This isn’t my iphone. I’m sure it’s ___________.
A. Yours
B. Your
C. You’re
D. None of the above.