Use a correct form of the verb (Present and Future time clauses)
Use a correct form of the verb (Past time clauses)
Correct the Mistake
Relative clause
Participle clauses
100

Mark always puts his key in the bag, when he (leave).

Put the verb in a correct form

leaves

100

As soon as opened the door, someone (say) hello to me. 

said

100

When we will stop making mistakes, the teacher will be satisfied.

stop (not will stop)
100

Every company needs an employee _______ can timely complete the tasks delegated by the managers.

who/that

100

After I finish my training, I always drink water.

Rewrite time clause using participles

After finishing/ Having finished my training, I always drink water.

200

When I receive money transfer from you, I (send) you a message.

will send

200

While Melanie was frying the meat on a pan, Rachel (cut) the vegetables.

was cutting

200

Before I came home, my brother cooked a delicious steak. 

had cooked (not cooked)

200

Please, show me the book ______ you bought yesterday.

which/that

200

The ladies who were walking in the park last Sunday morning are my sisters. 

Rewrite relative clause using participles

The ladies walking in the park last Sunday morning are my sisters.

300

Our business partners will not sign the contract, unless we (reduce) the price for headlamps.

reduce/have reduced

300

While Santiago was painting the wall, he (fall) of the ladder.

fell

300

While he sang the song, everybody listened to him.

he was singing (not sang); was listening (not listened)

300

Michael has worked for a company for 3 years. The company produces electric cars.

Michael has worked for a company that/which produces electric cars for 3 years.

300

The man who was injured during the yesterday's match is our manager.

Rewrite relative clause using participles

The man injured during the yesterday's match is our manager.

400

Call me, as soon as you (arrive) at the airport. I (meet) you there.

pass/will meet

400

After Mariah (release) her hit song "My all", she became very famous.

had released

400

Louise knit woolen hats when she has free time. Actually was doing that yesterday when I had entered the room.

knits (not knit); entered (not had entered)

400

Peter talked to a woman. He once met her in a library.

Peter talked to a woman who/that he once met in a library.

400

Because she had spent all her money, she borrowed 200 USD from her friend.

Rewrite reason clause using participles

Having spent all her money, she borrowed 200 USD from her friend.

500

Usually, when the temperature falls below zero, the water (freeze). The temperature is forecast to be -5 degrees this weekend, so we (cover) the water pipes with insulation tape.

freezes/will cover

500

Mina (play) tennis for 20 years when she finished her sports career. 

had been playing

500

We keep working until we will make progress otherwise I quit the project. 

will keep (not keep); make (not will make); will quit (not quit).

500
Gary and Susan made friends with their neighbour. His dog can leap over a two-meter fence. 

Gary and Susan made friends with their neighbour whose dog can leap over a two-meter fence.

500

As he was very absent-minded, he lost his keys.

Rewrite reason clause using participles

Being/Having been absent-minded, he lost his keys.

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