passive voice

Active Voice	Passive Voice
1. Presente Simple     - The teacher punishes the boy.     - Do you always laugh at him?	is , am, are + V3 - The boy is punished by the teacher. - Is he always laughed at by you?
2. Present Continuous - The painters are painting  our house. - Are the students doing  the exercises?	is, am, are + being + V3 - Our house is being painted   by the painters. - Are   the exercises being done by the students?
3. Present Perfect - They have built  a new hotel.	has, have + been + V3 - A new hotel has been built  by them.
* Present Perfect Cintinuous - Trenton Company has been making bikes since 1960.	has,have + been + being +V3 - Bikes have been being made by Trenton Company since 1960.
4. Past Simple - My sister wrote  a letter. - Did  the servant polish Tom's shoes?	was , were + V3 - A letter was written  by my sister. - Were Tom's shoes polished by the servant?
5. Past Continuous - While John was introducing  me, the telephone rang. - Weren't they digging this hole when you went past yesterday?	was , were + being + V3 -While I was being introducing  by John, the telephone rang. - Wasn't this hole being dug  by them when you went past yesterday?
6. Past Perfect - Theguests had eaten all the food. - Had he seen you before?	had + been + V3 - All the food had been eaten by the guests. - Had you been seen  by him before?
* Past Perfect Continuous - Mr. Trevor had been teaching English in Jamiaca for many years before he moved to Thailand.	had + been + being + V3 - English had been being taught by Mr.Trevor in jamaica for many years before he moved to thailand.
7. Future Simple - His mother will beat him if he does that again. - Will  Mary invite Jack to her party?	will + be + V3 - He will be beaten by his mother if he does that again. - Will Jack be invited  by Mary to her party?
8. "going to" future - They are going to widen  the bridge. - Is she going to open  the shop?	is,am, are +going to + be + V3 - The bridge is going to be widened by them. - Is the shop going to be opened ?
9. Future Continuous - They will be mowing  the grass at two o'clock tomorrow.	will be + being + V3 - The grass will be ebing mown at two o'clock tomorrow by them.
10. Future Perfect - By next March the pupils will have taken  the examination.	will have + been + V3 - By next March the examination will have been taken  by the pupils.
**Future perfect Continuous - By next year they'll have been building that road for a year.	will have been being + V3 - By next year that raod will have been being built by them for a year.