present
write the form of simple present passive
Am/is/are + past participle ( +by + noun)
Write the form of simple past passive.
Was/were + past participle (+ by + noun)
write the form of future passive with will
Will + be + past participle (+by+noun)
Write the form of modal passive
Modal + be + past participle(+by+noun)
Write the form of present perfect passive
Has/Have + been + past participle (+by+noun)
write the form of present continuous passive
Am/Is/Are + being + past participle (+by+noun)
Write the form of past continuous passive
Was/were + being + past participle (+by+noun)
Write the form of future passive with be going to
Be going to + be + past participle (+by+noun)
The difference between modal passive and phrasal modal passive
Phrasal modal passive use ought to ,has/have to, has/have got to
Write the definition of present perfect passive
has/have+been+past participle
It is believed that she will run for president.
A.It is certain that she will run for president
B.People think that she will run for president
B
The letter was sent to all patients by the doctor
A.The patients sent the letter.
B.The doctor sent the letter.
B
Edit:It will be not needed any longer.
It will not be needed any longer.
Edit:A young man has seriously injured in a car accident.That is terrible!
A young man has been seriously injured in a car accident .That is terrible!
Edit：All online orders must get paid by credit card.
All online orders must be paid by credit card.
Use present continuous passive to write a sentence
The directions are being explained by the teacher
Use past continuous passive to make a sentence
The direction were being explained by the teacher
Use future passive with will to make a sentence
The teacher will be fired.
Use Modal passive to make a scentence
The teacher must be fired
Use present perfect passive to make a scentence
The teacher has been fired.
Use simple present passive to make a sentence.
The directions are explained by the teacher
Use simple past passive to make a sentence.
The directions were explained by the teacher
Use future passive with be going to to make a sentence
The teacher is going to be fired
A driver_（might/stop）by the police.
A driver might be stopped by the police.
Over time I_（change）quite a lot.
Over time I have been changed quite a lot.