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"Play" or "playing" – which one is correct and why?
play or playing? - English Language Learners Stack Exchange
Why should we say "play the piano" instead of "play a piano"?
A group of boys is/are - English Language Learners Stack Exchange
prepositions - "playing with balls" vs. "playing balls" - English ...
meaning - What difference is between playing with someone and …
Do we say "the children are playing on/in the field"?
Difference between "have been doing", "was doing" and "have …
Should I say "She is in the park" or "She is at the park"?
"The children are happily playing" — grammatically correct?