Task 3. Write the sentences in thepresent simple passive.
1) Every day a lot of questions (ask) during the lessons.
2) How Victory Day usually (celebrate) your country?
3) The streets (clean) every moming,
Write the sentences in thepast simple passive.
4) The excursion (organize) by the guide very well.
5) The house (build) by my father
6) What mark
you (give) for your history lesson?
1. The sanitary engineer is concerned with hydrology. - Present Simple Passive
to concern
2. Different systems of water filters are used in present day. - Present Simple Passive
to use
3. Water finds its way to the rivers. - Present Simple Active
to find
4. Ocean water contains salt and other mineral materials. - Present Simple Active
to contain
5. The earliest written records of water purification date to 2 000 B. C. - Present Simple Active
to date
6. The modern recreation center has been erected in the center of Moscow. - Present Perfect Passive
to erect