Present & Past Simple
Advanced Tenses
The Grammar Trap
Error Correction
100

Active: "The chef prepares the food."

"The food is prepared by the chef."

100

Active: "Someone has found my keys."

"My keys have been found."

100

Active: "The package arrived late."

NO PASSIVE! ("Arrive" is intransitive).

100

"The window was broke by the wind."

"The window was broken by the wind."

200

Active: "Steve Jobs created Apple." 

"Apple was created by Steve Jobs."

200

Active: "The workers are painting the house right now."

"The house is being painted right now."

200

Active: "The police redirected the traffic."

"The traffic was redirected by the police." ("Redirect" is transitive).

200

"The letters was sent this morning."

"The letters were sent this morning."

300

Active: "A storm destroyed the bridge."

"The bridge was destroyed by a storm." 

300

Active: "The company will hire ten new employees."

"Ten new employees will be hired by the company."

300

Active: "A terrible accident happened yesterday."

NO PASSIVE! ("Happen" is intransitive).

300

"The problem is been discussed by the board."

"The problem is being discussed by the board."

400

Passive: "Free healthcare is provided by the government." 

"The government provides free healthcare."

400

Passive: "The server was being repaired all night."  

"The developers/workers/analysts were repairing the server all night." 

400

Active: "Poverty exists in many countries."

NO PASSIVE! ("Exist" is intransitive).

400

"A new law has approved by the congress."

"A new law has been approved by the congress."

500

Passive: "Those futuristic buildings were designed by the architect." 

"The architect designed those futuristic buildings." 

500

Passive: "A new mall is going to be built here." 

"They are going to build a new mall here."

500

Active: "The firemen saved the kitten."

"The kitten was saved by the firemen." ("Save" is transitive).

500

"The secret should have being kept."

"The secret should have been kept."