`-` BĐ :

`+` HTĐ : S + is / am / are + VpII ( by O )

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

`+` HTHT : S + have / has + been + VpII ( by O )

`+` TLĐ : S + will be + VpII ( by O )

`+` ĐTKT : S + ĐTKT + be + VpII ( by O )

`1`.The soccer game has been canceled

`2`.Beer and wine are served at the party

`3`.I was confused in class yesterday

`4`.I was confused by the teacher's directions

`5`.Our mail was delivered early today

`6`.My lamp was broken by the children when they were playing ball in the house

`7`.Thai food is cooked at Thai restaurants

`8`.We were helped right away at the appliance store

`9`.Our house was built by Baker Construction Company just last year

`10`.Cereal is often eaten at breakfast

`11`.The window was accidentally broken by Sally

`12`.The swimmer has been killed by a shark

`13`.Your application letter must be written in ink

`14`.My son's class ought to be divided into two classes

`15`.That package could be sent tomorrow

`16`.Those boxes may be thrown away soon

`17`.This room will be cleaned up by the woman soon

`18`.The first watches were made in Europe six hundred years ago

`19`.Sundials , clocks and watches are used to tell times

`20`.These chairs have just been taken into the kitchen by the children

`\text{# Eternal}`