[ Present Perfect Continuous Tense ]
They … anything for the past hour.
- haven’t been doing
- hasn’t been doing

Random Topics:
If Conditional Zero and OnePast Perfect Simple & ContinuousPrepositions after Verbs and AdjectiveLinking WordsCausative VerbComparison & Modal Verbs in Passive VoiceNarrative Tenses & ConditionalsAuxiliary Verbs, if, unless and ModalVerb TensesComparison Degree & GerundsOther quiz:
Tenses › ViewThis is ___________ global warming.
A. Calling
B. Calls
C. Called
Temporal Conjunctions and Connectives › View
Temporal conjunctions most often appear in…
A. Sequential instructions
B. Complex sentences
C. Titles of books
D. Lists of items
Modal Verbs of Deduction and Speculation › ViewWhat’s the capital city of the United States?
A. I don’t know but it mustn’t be New York
B. I don’t know but it can’t be New York.
Idioms › View
When we are all “in the same boat” it means that….
A. when you are going fishing with a friend
B. singing “Row, Row, Row Your Boat”
C. being in a kayak together
D. share the same unfortunate situation as another person
