The traffic light turned red, so I stopped crossing the street.

His attitude suddenly changed.

My umbrella was completely useless in the sudden downpour.

Gouki is my best friend.

We obtained an agreement on that issue.

We agreed on the plan.

My grandfather takes care of cows in the cowshed every day.

The traffic light turned red, so I stopped.

He sent a message to the ship using a signal flag.

He stopped the car and talked to me.