Fill in the gaps with the verbs from box using Past Continuous to sign,to think,to climb,to travel,to...

1) was walking 2) was searching 3) was signing 4) were traveling 5) was looking 6) were climbing 7) was making 8) were walking 9) were writing 10) were thinking

1) I was walking out of the door when I saw my uncle. 2) The boy was searching for the keys when we noticed him. 3) She was writing up the letters when the boss arrived. 4) My parents were traveling in Greece from August till September. 5) The horizon was looking dark. 6) Ben and John were climbing very quickly when they heard someone screaming. 7) He was making calculations when something went wrong. 8) We were walking up the hill when it got dark. 9) The kids were reading the paper from 5 p.m. to 7 p.m. 10) My parents were thinking about their plans when I came in.

Certainly! Let's fill in the gaps using the Past Continuous tense for each sentence. The Past Continuous tense is used to describe actions that were ongoing at a particular moment in the past.

1) I was walking out of the door when I saw my uncle.

• Here, "walking" indicates an ongoing action that was interrupted by seeing the uncle.

2) The boy was searching for the keys when we noticed him.

• "Searching" highlights the continuous action of looking for the keys during the time he was noticed.

3) She was signing up the letters when the boss arrived.

• "Signing" describes the process she was engaged in when the boss came.

4) My parents were traveling in Greece from August till September.

• "Traveling" indicates a continuous action over a period of time.

5) The horizon was getting dark.

• "Getting" shows the gradual change in the state of the horizon.

6) Ben and John were running very quickly when they heard someone screaming.

• "Running" describes the swift movement they were engaged in upon hearing a scream.

7) He was making calculations when something went wrong.

• "Making" suggests he was in the process of calculating when an issue occurred.

8) We were climbing the hill when it got dark.

• "Climbing" indicates the ongoing ascent of the hill when darkness fell.

9) The kids were writing the paper from 5 p.m. to 7 p.m.

• "Writing" describes the continuous act of working on the paper during that timeframe.

10) My parents were thinking about their plans when I came in.

- "Thinking" refers to the ongoing process of considering their plans when interrupted by my entrance.

Each verb captures the essence of an action that was in progress at a specific past moment.