Употребите глагол во всех видо-временных формах 
He (to write) a composition 

А можно мне ещё подалуйста написать что здесь Pr.Simple , что Pr.Per , Past Sim итд, а то не понимаю

He writes a composition  (Present Simple)He wrote a composition  (Past Simple)He will write a composition (Future Simple)He is writing write a composition (Present Continuous)He was writing a composition (Past Continuous)He will be writing a composition (Future Continuous)He has written a composition  (Present Perfect)He had written a composition  (Past Perfect)He will have written a composition (Future Perfect) He has been writing a composition (Present Perfect Continuous) He had been writing a composition  (Past Perfect Continuous)He will have been writing a composition  (Future Perfect Continuous)

PRESENT: SIMPLE - He writes a composition CONTINUOUS - He is writing a composition PERFECT - He has written a composition PERFECT CONTINUOUS - He has been writing a compositionPAST: SIMPLE - He wrote a composition CONTINUOUS - He was writing a composition PERFECT - He had written a composition PERFECT CONTINUOUS - He had been writing a compositionFUTURE: SIMPLE - He will write a composition CONTINUOUS - He will be writing a composition PERFECT - He will have written a composition PERFECT CONTINUOUS - He will have been writing a composition