ACTIVE & PASSIVE
CAPITALS
GENERAL KNOWLEDGE
B2 GRAMMAR
Riddles
100

Convert to passive: "The artist painted a beautiful mural."

A beautiful mural was painted by the artist.

100

This city is the capital of Italy.

Rome.

100

This is the largest planet in our solar system.

Jupiter.

100

Give the past participle of "begin."

Begun.

100

What has keys but can't open locks?

A piano.

200

Convert to passive: "The gardener will plant new flowers."

New flowers will be planted by the gardener.

200

This is the capital of South Korea.

Seoul.

200

Name the painting and artist that features a mysterious smile and is housed in the Louvre

Mona Lisa by Leonardo da Vinci.

200

What is the third-person singular present tense of "fly"?

Flies.

200

What comes down but never goes up?

Rain.

300

Convert to active: "The novel was edited by the publisher."

The publisher edited the novel.

300

What is the capital of Finland?

Helsinki

300

In what year did the Titanic sink?

1912.

300

Convert to the past perfect tense: "She can solve the problem."

She had been able to solve the problem.

300

What has a face and two hands but no arms or legs?

A clock.

400

Convert to active: "A symphony was composed by the musician."

The musician composed a symphony.

400

Name the capital of the Czech Republic.

Prague.

400

This element has the highest electrical conductivity of any metal.

Silver.

400

Give the future perfect form of "leave."

Will have left.

400

What has a ring but no finger?

A telephone.

500

Convert to passive: "The chef will prepare a special dish tonight."

A special dish will be prepared by the chef tonight.

500

The capital city of Australia.

Canberra

500

Name the process by which plants convert sunlight into energy.

Photosynthesis.

500

Form a question using the present perfect tense with the verb "visit."  

Have you visited the museum recently?  

500

What is full of holes but still holds water?

A sponge.

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