Complete the sentences with the correct passive form. The injured man was taken (take) to hospital after the crash. The flat had been cleaned (clean) before we arrived. The car accident (can/cause) by a driver using a mobile phone. Because of the delay, lunch (give) to all the passengers in 10 minutes.

1. The injured man was taken to the hospital after the crash.
Answer: was taken

Explanation: In this sentence, we use the past simple form of the verb "take" in the passive voice. The subject of the sentence (the injured man) receives the action of being taken to the hospital. The verb "was" is used as the auxiliary verb to create the passive voice.

2. The flat had been cleaned before we arrived.
Answer: had been cleaned

Explanation: In this sentence, we use the past perfect form of the verb "clean" in the passive voice. The subject of the sentence (the flat) receives the action of being cleaned. The verb "had been" is used as the auxiliary verb to create the passive voice and indicate that the cleaning happened before the arrival.

3. The car accident (can/cause) by a driver using a mobile phone.
Answer: was caused

Explanation: In this sentence, we need to use the past simple form of the verb "cause" in the passive voice. The subject of the sentence (the car accident) receives the action of being caused. The correct passive form is "was caused."

4. Because of the delay, lunch (give) to all the passengers in 10 minutes.
Answer: will be given

Explanation: In this sentence, we need to use the future passive form of the verb "give." The subject of the sentence (lunch) will receive the action of being given. The correct future passive form is "will be given."