Укажите времена глаголов в следующих предложениях:
1. Such question can not be answered at once.
2. The rate of the reaction is to be influenced by gas temperature.
3. Einstein’s theory of relativity has to be referred to by many researchers.
4. All the instruments should be looked at with great interest for they are
widely used in the lab.
5. The liquid was to be allowed to evaporate.
6. This insoluble compound should not be affected by acids.
7. It must be noted that this huge automatic unit is operated by only a few
men.
8. It is to be remembered that concentrated acids are very dangerous.
9. All the devices and glassware are to be kept in good order in the laboratory.
10. Nitric acid may be obtained by the reaction of concentrated sulfuric acid
with sodium nitrate.
Заранее
1) Did Sam begin to work last month?
2) When did Sam begin to work?
3) Sam began to work last month, didn't he?
4) Who began to work last month?
5) Did Sam begin to work last month or last year?
The shild (child or shield) will grow next year.
1) Did smb (child, shild or shield) will grow next year?
2) When did smb (child, shild or shield) will grow?
3) Smb (child, shild or shield) will grow next year?
4) Who will grow next year?
5) Did smb (child, shild or shield) will grow next year?
What did Sam begin last night? - He began work.
When did Sam begin work? - Last night.
Who began work last night? - Sam did.
Sam began work last night, didn't he?/ Sam didn't begin work last night, did he?
2) Will child grow next year? - Yes, it will./ No, it won't.
What will child do next year? - It will grow.
When child will grow? - Next year.
Who will grow next year? - Child will.
The child will grow next year, won't it?/ The child won't grow next year, will it?