Answer:
1. Where, messages, receive? - Where are messages received?
2. How, newspapers, deliver? - How are newspapers delivered?
Third conditional. If the students hadn't been late for the exam, they would have passed.
Second conditional. If the weather weren't so cold, we could go to the beach.
Third conditional. If she had had a laptop with her, she could have emailed me.
First conditional. If she doesn't go to the meeting, I won't go either.
Second conditional. If Lucy had enough time, she would travel more.
Explanation:
The first part of this question concerns the passive voice. <u>When we use the passive voice, the subject is not the one performing the action expressed by the verb. In the present tense, the passive voice consists of the verb to be plus the past participle of the main verb.</u>
The second part of this question concerns conditionals. <u>Sentences in the first conditional use an if-clause in the simple present. The consequence is expressed in the simple future. In the second conditional, the if-clause uses the simple past, while the consequence uses would/could/might plus the main verb. Finally, the third conditional uses the past perfect in the if-clause. The consequence uses would/could/might + have + past participle of the main verb.</u>