I've been confused with the relative pronouns. I bring the following examples and the result after removing relative pronouns? Are they correct?
1a. This is the window which has been broken by me. ==>
1b. This is the window has been broken by me. (present perfect passive)2a. This is the window which will be broken by me. ==>
2b. This is the window will be broken by me. (future passive)3a. This is the window which is broken by me. ==>
3b. This is the window broken by me. (present passive)4a. This is the window which was broken by me. ==>
4b. This is the window was broken by me. (past passive)5a. This is Peter who will be playing football tomorrow. ==>
5b. This is Peter will be playing football tomorrow. (future continuous)6a. This is Peter who was playing football yesterday. ==>
6b. This is Peter was playing football yesterday. (past continuous)7a. This is Peter who is playing football now. ==>
7b. This is Peter playing football now. (present continuous)