[ 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:
Grammar › ViewThey _____ their vacation in Europe last summer.
A. spend
B. spends
C. spent
D. spending
Much, many, a lot of, a few, a little › View
Cacti don’t need ____ water.
A. a lot of
B. many
C. much
D. a few
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.
