Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

The children were having fun playing a counting game in the park.

The children were playing a counting game in the park.

When summer vacation comes, children become engrossed in insect collecting.

When summer vacation comes, children enjoy collecting insects in the park.

In summer nights, mosquito repellent is necessary.

The children were having fun playing the word-taking game.

The government declared a state of emergency to prevent the spread of the new coronavirus.

I hung flypaper in the kitchen and caught the flies that came flying.