Use long forms: does not \will not doesn't\ won't
Active -Eg.: If you do the task, I will chek. or
Passive -Eg.: If the task is done, it will be checked.
1) Not only the cleaning process (to involve)
labor costs, it may require special equipment, particularly if chemical cleaning (to involve)
2) Fresh deposits (to form)
only if the deposit bond resistance (to be)
greater than the prevailing shear forces at the solid–fluid interface.
3) Dissolution (to occur)ответ
only if there (to be)ответ
a change in the properties of the deposit.
4) If the temperature of the heat exchanger surface on the water side (to be)ответ
at or below 0°C, then a layer of ice (to form)ответ
on the surface.
5) If the solid (to be) ответ
on the shell side, it (to be)ответ
impossible to remove the tube bundle.
6) If the total thermal resistance (to increase) ответ
the amount of heat transferred through the surfaces (to decrease) ответ
.
7) If the layer of insulating material (to have) ответ
a high thermal resistance, higher than any other part of the heat exchanger, the total thermal resistance (to increase) ответ
My parents are not old at all. My Mum is forty, she works for newspaper. My Dad is forty-four, he is an engineer in computers. My parents love their jobs very much.
I'm doing quite well at school. My parents are proud of my marks. I go in for sports. I play basket-ball. In summer time I like yachting and windsurfing. I take part in different basket-ball competitions. In a year I shall finish my school and I have to decide what occupation to choose I have been studying English for seven years. I want to be a military interpreter. My grandparents are already retired. They like gardening and spend all their time growing tomatoes, potatoes, onions, strawberries, raspberries.
1. ...It is being repairEd now.
В вопросе настоящее время (is), в ответе тоже настоящее
2. I kept looking round, because I thought I was being followed.
В первой части предложения во второй
3. We had to keep very quiet while the students were being examinEd.
В первой части во второй
4. I can’t use my office this week because it is being paintEd.
В первой части настоящее (can’t)
5. ...She is being interviewEd.
В вопросе настоящее (is)
6. They say they‘ll put things righ, but nothing were being done.
Косвенная речь
7. I had to wait for a few minutes while the papers were being translatEd.
В первой части предложения
8. Why do I always feel nervous while my passport is being checkEd.
В первой части - настоящее (do; always)