`-` BĐ `-` QKĐ :

`+` KĐ : S + was / were + VpII ( by O )

`+` PĐ : S + wasn't / weren't + VpII ( by O )

`Ex.13`.

`20`.was witnessed

`Ex.14`.

`1`.The woman was robbed on her way home last night

`2`.My bike was found near the river bank

`3`.The broken table was fixed in my room by Tom

`4`.His back was hurt yesterday

`5`.Tom was bullied by his classmates when he was seventh grader

`6`.The victim was taken to the hospital after the accident

`7`.My lost suitcase wasn't found by the police

`8`.Mr.Smith's house was broken into when they were out

`9`.The Great Wall of China was built by soldiers , common people and criminals

`10`.That piece of paper was cut into `4` smaller pieces

`11`.I was taught Japanese by my father during last summer

`\text{# TF}`