The document discusses various tenses in English grammar including present perfect, past perfect, and future perfect tenses. It provides examples of sentences in active and passive voice for each tense. For example, in the present perfect tense the active voice sentence is "I have written a story" and the passive voice version is "A story by me has been written."

1. Active and Passive Voice
Present Perfect Tenses, Past Perfect Tense and Future Perfect
Tense

2. Present Perfect Tense
I have written a story.
Subject Verb Object
A story by me.has been written

3. Past Perfect Tense
Nahian had played a game.
Subject Verb Object
A game by Nahian.had been played

4. Future Perfect Tense
Arina will have baked cookies.
Subject Verb Object
Cookies by Arina.Will have been
baked

5. Tense Active to Passive Active Voice Passive Voice
Simple Present I drink water. Water is drunk by me.
Simple past I ate pizza. Pizza was eaten by me.
Simple future I will do my work. My work will be done by
me.
Present progressive is being
Was/ were being
Will be being
She is sleeping on the bed.
I am studying Biology.
The bed is being slept on
by her.
Biology is being studied by
me.
Past progressive I was doing the dishes. The dishes were being done
by me.
Future progressive I will be playing PUBG. PUBG will be being played
by me.
Present perfect tense Has/ have been She has gone to the mall. The mall has been gone to
by her.
Past perfect tense Had been He had eaten her lunch. His lunch had been eaten
by her
Future perfect tense Will have been I will have given the gift by
now.
By now the gift will have
been given by me.

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