3. Put the verbs in brackets into the correct tense and voice (The Passive Voice)
1) The building of the theatre (to build) five years ago.
2) What (to give) to the child yesterday?
3) How quickly dinner usually_ (to serve)?
4) His speech (to listen) to with great interest at the last meeting.
5) The book (to return) to the library last Friday.
4. Open the brackets using Conditional I
1) Many wildlife habitats (be destroyed) if man _(keep) polluting the environment. 2) If we (not stop) cutting down so many trees, we (endanger) our oxygen supply.
3) If the global temperature (rise), sea levels (rise) too.
4) If we (use) our car less, the air (be) cleaner. 5) If everybody (take) showers instead of baths, they (use) less water
6) Soon the Earth's resources (be exhausted) if the human population (continue) to grow.
7) People (run out of) drinking water one day if they (not use) it more rationally.
8) If he (want) to help the planet, then he (have to) change his habits.
9) Some islands (be) underwater, if sea levels _(rise).
10) People (not drop) litter the if there on pavement, (be) more rubbish bins in towns.​