We use passive voice when the object of the action is more important than those who perform the action.
From active to passive: 3 steps Active sentence: He paints the picture. Step 1 The object of the active sentence becomes the subject of the passive sentence. The picture……
Step 2 We put verb ‘to be’ into the tense of the active sentence: Active: He paints the picture. Present Simple ‘to be’ in present simple: am/are/is The picture is……
Step 3 We put the verb of the active sentence into the past participle: Paint painted The picture is painted.
Additional step • If the agent (the performer of the action) is important, use "by" : Tom paints the picture. The picture is painted by Tom. • If the agent is: somebody, they, he, she… we do not use “by”. He paints the picture. The picture is painted.
Double objects • give, send, bring, buy, tell, offer, show, pay, teach, etc Active: Mary gives Tom a book. Passive1: A book is given to Tom (by Mary). Passive2: Tom is given a book (by Mary).
Tenses • Present Simple: She eats pizza. The pizza is eaten. • Present Continuous: Se is eating pizza. The pizza is being eaten.
Present Perfect: She has eaten pizza. The pizza has been eaten. • Past Simple: She ate pizza. The pizza was eaten.
Past Continuous: She was eating pizza. The pizza was being eaten. • Past Perfect: She had eaten pizza. The pizza had been eaten.
Future Simple: She will eat pizza. The pizza will be eaten. • Going to Future: She is going to eat pizza. The pizza is going to be eaten.
Important! • Pay attention to the number: They are eating an apple. An apple is being eaten. He is eating apples. Apples are being eaten.