Present Simple
1) I do my homework .
My homework is done by me .
2) My sister buys some bread
Some bread is bought by my sister.
3) I open the window.
The window is opened by me.
Present Continuous
1) I am doing my homework .
My homework is being done by me.
2) My sister is buying some bread .
Some bread is being bought by my sister.
3) I am opening the window.
The window is being opened by me.
Present Perfect
1) I have done my homework.
My homework has been done by me
2) My sister has bought some bread.
Some bread has been bought by my sister .
3) I have opened the window.
The window has been opened by me.
Past Simple
1) I did my homework.
My homework was done by me.
2) My sister bought some bread.
Some bread was bought by my sister.
3) I opened the window.
The window was opened by me.
Past Continuous
1) I was doing my homework when my parents came.
My homework was being done by me when my parents came.
2) My sister was buying some bread when I saw her.
Some bread was being bought by my sister when I saw her.
3) I was opening the window when you phoned.
The window was being opened by me when you phoned.
Past Perfect
1) I had done my homework when my parents came.
My homework had been done by me when my parents came.
2) My sister had bought some bread when I saw her.
Some bread had been bought by my sister when I saw her.
3) I had opened the window when you phoned.
The window had been opened by me when you phoned.
Future Simple
1) I will do my homework.
My homework will be done by me.
2) My sister will buy some bread.
Some bread will be bought by my sister.
3) I will open the window.
The window will be opened by me.
2.Were (be)
(3.rain (rain)
4.see (see)