Active and Passive Voice

What is an Active Voice and Passive Voice?

In the active voice, the subject and verb relationship is straightforward: the subject is a do-er. In the passive voice, the subject of the sentence is not a do-er. It is shown with by + do-er or is not shown in the sentence.

Passive voice is used when the action is the focus, not the subject. It is not important (or not known) who does the action.

Differences between Active and Passive Voice

source : https://www.slideshare.net/mararam/differences-between-active-and-passive

The Structure of Active Voice and Passive Voice

1. Active Voice  →   Subject + be + Verb + Object
2. Passive Voice →  Object + be + Verb 3 (past participle) + Subject

for example : 
1. Simple Present

• AV →  Subject + do/does + V¹ ⇒ Mr. Jefferson washes the windows.

• PV →  Object + is/am/are + V³ + Subject ⇒ The Windows are washed by Mr. Jefferson.

2. Present Continuous 

• AV → Subject + Is/Am/Are + V.ing + Object ⇒ I am doing the work now.
• PV → Object + Is/Am/are  + being + V³ + Subject ⇒ The work was being done by me.

3. Present Perfect

• AV → Subject + have/has + V³ ⇒ She has written the letters.
• PV → Object + have/has+ been + V³ + Subject ⇒ The letters have been written by her.

For more, please click  https://learnenglish.britishcouncil.org/es/english-grammar/active-and-passive-voice 

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