???

• The lion is roaring.

• The lion are roaring.

????

• The children is working.

• The children are working.

???

• The elephants is walking.

• The elephants are walking.

???

• The snake is slithering.

• The snake are slithering.

???

• The seals is resting.

• The seals are resting.

????

• The birds is flying.

• The birds are flying.

???

• The penguins is dancing.

• The penguins are dancing.

???

• The cat is sleepy.

• The cat are sleepy.

???

• The girls is laughing.

• The girls are laughing.

???

• The bird is singing.

• The bird are singing.