[ 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:
Narrative Tenses & Conditionals › ViewWhat __________ at 8pm last night?
A. was you doing
B. did you do
C. were you doing
D. you did
Grammar › View
She ……………. go to the party. She got the permission.
A. can
B. may not
C. should
D. would
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.