các công thức câu bị động

Công thức chung 

      S+ BE +V past participle (V3/ed)

Simple Present

S + V + O

=> S+be +V3/ED + by + O

Present Continuous

S + am/is/are + V-ing + O

=> S+ am/is/are + being+ V3/ED + by + O

Present Perfect

S + has/have + V3/ED + O

=> S + has/have + been + V3/ED + by + O

Simple Past

S + V-ed + O

=> S + was/were + V3/ED + by + O

Past Continuous

S + was/were + V-ing + O

=> S+ was/were + being+ V3/ED + by + O

Past Perfect

S+ had + P2+O

=> S + had + been + V3/ED + by + O

Simple Future

S + will/shall + V + O

=> S + will + be + V3/ED + by + O

Future Perfect

S + will/shall + have + V3/ED + O

=> S + will + have + been + V3/ED + by + O

Be + going to

S + am/is/are + going to + V + O

=> S + am/is/are + going to + be + V3/ED + by + O