Answer:
![\boxed{ \sf{Boys \: do \: not \: play \: a \: game.}}](https://img.qammunity.org/2021/formulas/english/high-school/bqqf665cs56w6rru6s7fdoq75756yglty8.png)
Step-by-step explanation:
Given sentence :
▪️Boys play a game.
To change this sentence into negative , Add do not after the subject
⇒ Boys do not play a game.
Note : While changing the positive sentence into negative, the verb changes as follows:
V¹ takes do ( V¹ = do + V¹ )
V² takes did ( V² = did + V¹ )
V⁵ takes does ( V⁵ = does + V¹ )
Hope I helped!
Best regards! :D