Ex 1.
Open the brackets using Present Simple Passive, Past Simple Passive, Future Simple Passive.

1. The slippers (to find) under the table yesterday.

2. Some mistakes cannot (to forgive) .

3. When (to lose) your passport ? – I don’t remember, but I think it happened next week.

4. The ship just (to leave) by all passengers.

5. Your words (not to forget) ___ so soon.

6. The airport (to build) in 1997.

7. I (to invite) to my friend’s party next week.

8. (to deliver) the parcel lately?

Ex 2.
Ask 4 questions to the underlined words using the same passive forms.​

1) Mike was listening to music when the teacher asked him a question. (listen to, ask)
Mike was in the middle of listening to music when the teacher interrupted him and asked him a question.

2) The sun was shining brightly when we went out. (shine, go)
When we went outside, the sun was shining brightly and it was a beautiful day.

3) We took our seats and the performance began. (take, begin)
We found our seats and as soon as we sat down, the performance started.

4) Jill and played computer game all evening yesterday. (play)
Jill and her friend played a computer game for the entire evening yesterday. They were so engrossed in the game that they didn't do anything else.

5) Nick and Pete were arguing when their mother arrived. (argue, arrive)
Nick and Pete were having an argument when suddenly their mother walked in and interrupted them.

6) Mike was watching TV while his parents were sleeping. (watch, sleep)
While his parents were sound asleep, Mike was quietly watching TV without disturbing them.

7) Ken was taking a shower when his phone rang. (take, ring)
Just as Ken was in the middle of taking a shower, his phone started ringing. He had to quickly finish his shower and answer the phone.

8) Boris won the last competition at 2 p.m. yesterday. (win)
Boris was declared the winner of the last competition precisely at 2 p.m. yesterday. He had worked hard and his efforts paid off.

9) What were you doing when her sister arrived? (do, write, arrive)
At the exact moment when her sister arrived, what were you doing? Were you still writing an essay or had you moved on to something else?

Overall, these sentences are in the past continuous tense, which indicates an ongoing action in the past. The specific verbs used in each sentence provide details about what was happening at a certain moment in time.

1. While I (a burglar) (climbed) into the room through the window.
The correct answer is "was sleeping". This is because the verb "climbed" indicates a past action that was happening at the same time as another past action, which is indicated by the word "while". In this case, the other past action is "I" (the person speaking) sleeping.
Thus, the correct form is "While I was sleeping, a burglar climbed into the room through the window."

10. I got lost in the forest because I (took) the road I (before).
The correct answer is "had never taken". This is because "got lost" is referring to a past event, and we need to indicate that the action of taking the road happened before that past event. The word "before" indicates that the action of taking the road happened at a time before getting lost in the forest.
Thus, the correct form is "I got lost in the forest because I had never taken the road before."

13. We (TV) for ten minutes when the electricity went off.
The correct answer is "were watching". This is because the verb "watching" indicates an ongoing action in the past. The phrase "for ten minutes" indicates the duration of this action. So, we use the past continuous tense to describe this ongoing action in the past.
Thus, the correct form is "We were watching TV for ten minutes when the electricity went off."

14. I found the way to her house quite easily because Nora (it) to me very well.
The correct answer is "had described". This is because the word "Nora" indicates a past action that was completed before another past action, which is finding the way to her house. The past perfect tense is used to indicate that an event happened before another event in the past.
Thus, the correct form is "I found the way to her house quite easily because Nora had described it to me very well."

Margaret didn't wear her shoes; she was barefoot. She (on) a piece of broken glass and cut her foot.
The correct answer is "stepped". This is because the sentence is describing a past event when Margaret stepped on a piece of broken glass and cut her foot. The verb "step" is in the past simple tense.
Thus, the correct form is "Margaret didn't wear her shoes; she stepped on a piece of broken glass and cut her foot."