The use of a tense in a passive sentence must be the same as that in the active sentence.

 

Simple present

 

Examples:

  • Active: The big monkey scratches the small monkey. 
  • Passive: The small monkey is scratched by the big monkey.

 

 

Simple present continuous

Examples:

  • Active: Their dog is chasing my cat. 
  • Passive: My cat is being chased by their dog. 
 
 
 
Present perfect

 

Examples:

  • Active: The men have loaded sacks of potatoes onto trucks. Active: The men have loaded the sheep onto trucks.
  • Passive: Sacks of potatoes have been loaded onto trucks (by the men). 

 

 

Simple past 

Examples:

  • Active: That kid kicked me on my knee. 
  • Passive: I was kicked on my knee by that kid. 

 

 

Past continuous

 

Examples:

  • Active: We were discussing climate change last evening.  
  • Passive: Climate change was being discussed by us last evening. .

 

 

Past perfect

 

Examples:

  • Active: The hunter had shot two wild boars. 
  • Passive: Two wild boars had been shot by the hunter. 

 

 

Simple future

 

Examples:

  • Active: The children will blow up these balloons. 
  • Passive: These balloons will be blown up by the children. 

 

 

Future continuous

 

Examples:

  • Active: She will be painting her husband's grave. 
  • Passive: Her husband's grave will be being painted by her.

 

 

 
Future perfect

 

Examples:

  • Active: The police will have questioned the suspects. 
  • Passive: The suspects will have been questioned by the police.

 

 

Modal

 

Examples:

  • Active: He should sell his old car. 
  • Passive: His old car should be sold
  • Active: We must pay the bills. 
  • Passive: The bills must be paid (by us). 

 

 

Modal continuous

 

Examples:

  • Active: We may be building a giant sandcastle. .
  • Passive: A giant sandcastle may be being built by us.  

 

 

Modal perfect

 

Examples:

  • Active: The robbers could have shot their victims.
  • Passive: The victims could have been shot by the robbers.