☼ Formation of  interrogative sentences

 ( Starting with the words like who, what, where, when, how, why, etc. ) :–

⋆ What :–

↦ For simple tenses

( What + to be + p.p. + by + subject + others + ? ) :–

↦ For continuous tenses

( What + to be + being + p.p. + by + subject + others + ? ) :–

↦ For perfect tenses

( What + have / has + been + p.p. + by + subject + others + ? ) :–

e.g. (i) What do you write ?           ( Active )

∘ What is written by you ?     ( Passive )

(ii) What are you writing in the morning ?                  ( Active )

∘ What is being written by you in the morning ?      ( Passive )

(iii) What have you written ?                       ( Active )

∘ What has been written by you ?            ( Passive )

⋆  Who :–

↦ For simple tenses ( By whom + to be + object + p.p. + others + ? ) :–

↦ For continuous tenses

( By whom + to be + object + + being + p.p. + others + ? ) :–

↦ For perfect tenses

( By whom + have / has + object + been + p.p. + others + ? ) :–

e.g. (i) Who broke the glass yesterday ?                      ( Active )

∘ By whom was the glass broken yesterday ?     ( Passive )

(ii) Who was driving the car at that time ?                        ( Active )

∘ By whom was the car being driven at that time  ?      ( Passive )

(iii) Who has broken a glass yesterday ?                             ( Active )

∘ By whom has a glass been broken yesterday ?            ( Passive )

⋆  Where / When / Why / How :–

↦ For simple tenses

( Wh  + to be + object + p.p. + by + subject + others + ? ) :–

↦ For continuous tenses

( Wh  + to be + object + being + p.p. + by + subject + others + ? ) :–

↦ For perfect tenses

( Wh  + has / have + object + been + p.p. + by + object + others + ? ) :–

e.g. (i) Where was Nishit playing cricket yesterday ?               ( Active )

∘ Where was cricket being played by Nishit yesterday ? ( Passive )

(ii) How did he solve the sum ?                        ( Active )

∘ How was the sum solved by him  ?            ( Passive )

(iii) Where have you put my book ?                        ( Active )

∘ Where has my book been put by you ?            ( Passive )

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