Past continuous: Is this correct?

"While we walked home we saw eight cats crossing the road!"

Is this sentence correct?

• Yes

• No

"He was going to bed when the phone rang."

Is this sentence correct?

• Yes

• No

"I was falling over while I was walking to school."

Is this sentence correct?

• Yes

• No

"When I was arriving home, my dad danced in the kitchen!"

Is this sentence correct?

• Yes

• No

"While I was chatting online, my mom was coming into the room to turn the light off."

Is this sentence correct?

• Yes

• No

"The man was stealing the money when the police arrived."

Is this correct?

• Yes

• No

"While I went downstairs, I heard someone at the door!"

Is this sentence correct?

• Yes

• No