Present Perfect Continuous
Have they been snacking on a bar of chocolate?
How long has an old man been walking?
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Past Perfect Continuous
I wanted to know if they had been snacking on a bar of chocolate.
He wondered how long an old man had been walking.
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Past Simple
Did Ann take my dictionary with her?
Which of the programs were effective?
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Past Simple / Past Perfect
Did you know whether Ann took / had taken my dictionary with her?
The ambassador was questioned which of the programs were / had been effective.
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Future Simple
Will you give me one more chance to try?
How long will some Russian officials be under the European Union’s sanctions?
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Future in the past
She asked if I would give her one more chance to try.
He wanted to know how long some Russian officials would be under EU’s sanctions.
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Future Continuous
Will werewolves be fighting against dark power with vampires?
Who will be playing on the piano in the performance?
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Future continuous in the past
The wizard could tell whether werewolves would be fighting against dark power vampires.
One woman asked me who would be playing on the piano in the performance.
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Conditional
Would you believe if animals turned into man?
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Conditional
She asked if / whether I would believe if animals turned into man. (no change)
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