*Công thức chung:Trường hợp đặc biệt:
`I`.It+Be+Adj+(for S.T)+To be done
`II`.It is+V1pp+that+S2+V(bare)+O(Nếu V1 ở HTĐ,HTTD,HTHT)
`III`.S2+Am/Is/Are+V1pp+to+V2(bare)+O(Thì HTĐ)
`IV`.S2+Am/Is/Are+V1pp+to have+V2pp+O(Thì QKĐ,HTHT)
`V`.It was+V1pp+that+S2+V(bare)+O(Nếu V1 ở thì QKĐ,QKTD,QKHT)
`VI`.S2+Was/Were+V1pp+to+V2(bare)+O(Thì QKĐ)
$\text{Ex1:}$
`1`.I was told that you were the architect in this city
`2`.The flowers were reported to be killed by frost
`3`.I am informed that the director is going to take a business trip to England
`4`.The meeting was anounced to be delayed until next week
`5`.This cotton was discovered to be grown in egypt
`6`.It's promised that the performance will start on time
`7`.We are recommended to stay at the city center
`8`.Alice was believed to pass the driving test
`9`.All the workers are notified that they will have to work extra hard this month
`10`.I have been persuaded that they will go with me to the stadium
`12`.maradona is thought to be the best football player in the 20th century
`13`.It's found that the job is not suitable for a girl like her
`14`.This powerful engine is explained to pulled the train
`15`.It was told that his football team had played well last season