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No; climbing No; to climb Yes; climbing Yes; to climb
worry about to worry about is worried about worrying about
won’t don’t didn’t doesn’t
Climbing While climbing To climb While I was climbing
leaked is leaking leaks has been leaking
don’t; isn’t don’t; is will; doesn’t aren’t; doesn’t
to be worried about worrying about being worried about to worry about
don’t; isn’t don’t; is will; doesn’t aren’t; doesn’t
worry about to worry about is worried about worrying about
leaked is leaking leaks has been leaking
worry about to worry about is worried about worrying about
doesn’t rain, go won’t rain, go don’t rain, will go doesn’t rain, will go
No；climbing No；to climb Yes；climbing Yes；to climb
When climbed When to climb When climbing When one climbs
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