.


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V. ,

SHOULD WOULD

, . , : , , , , , , .

 

 

.

be

were

he }

she } - give

it }

1) to be be
were
.

2)

(Present
Indefinite), 3- . . .,
-s.


.

should }

would } +

may, might } to

1) should (1- .
. . .) would (2- 3- . . . .) +
to.

2) should,
would + to.

. .

1) be :

) ,
:

If the distance between the two points be the same, no further experiments will be necessary.

, ;

)
it is necessary:

It is important that the law be observed. , ;

) , , , , . . , , :

It was suggested that the question be discussed immediately. , ;


) :

We must keep this gas in a special vessel lest it be evaporated.

, ;

) :

Be it ever so humble there is no place like home. , .

2) were :

) :

If the acid were purified the raction would take place. , ;

)
as if:

It was so cold, as if it were winter.

, .

. be .

. .

1) should would :

) :

If they came, I should be glad.

, .

If they came, he would be glad.

, ;

) :

We should make this remark in the separate section of the book.


.

There would be no life without water. .

2) should :

)
it is necessary:

It is necessary that the substance should be pure. , ;

) ,

,
, , . .
, , :

advised that the students should read this book. , ;

)
so that , lest ... :

Make haste lest you should be late. , ;

)
:

We don't expect him to come, but if he should come, ask' him to wait.

, , (-) , .

 

. , + , .


, :

advise

demand

desire ,

insist

order

propose

request ,

require ,

suggest ,

suppose

want }

} ,

wish }

- , :

it is necessary

it is important

it is of importance

it is essential

it is desirable

it is strange } ,

it is surprising }

it is likely

it is unlikely ;

it is probable

.*

, :

in order that }
that }

as if }

}

as though }

so that

lest ...


I

. :

1. It is necessary that the type of the reaction be
determined.

2. It is suggested that only logarithmic plots for each
point be made.

3. It is essential that the substance be chemically pure.

4. We dilute the acid lest it be too strong.

5. If there were no air the stone and the piece of paper would fall together.

6. I should give you a lot of examples without any difficulty.

7. It is unlikely that the reaction should occur.

8. It is desirable that this method should be recommended.
9. This would result in hydrogen abstraction reaction

taking place.

II

, :

10. The absolute zero is the temperature at which an
ideal gas would have zero volume at any finite pressure.

11. Suppose, just for the sake of an argument that the
large ball should come to rest after the impact.

12. The world itself behaves as if it were an enormous
but weak magnet.

13. It is necessary that atomic energy should be used for
industrial purposes.

14. It would be out of place here to give more than a summary of the work that has been done.

15. Don't expose hydrogen peroxide to the air, lest it
should decompose.

16. The geometric properties of crystal are the same
whether a crystal be large or small.

17. Electrons at less than a million volts would reach
practically a constant speed, almost that of light.

18. Magnetism is very often treated as if it were a subject
as fundamental as electricity.


19. It is natural that aluminium should receive a great amount of attention from research workers with a view to improving the mechanical properties of the metal.

. , .

1)
:

) be, were,
3- . . . -s.

If it be necessary to determine the time...

...

If I were you...

...

)
should
:

If you should see him, ask him to wait. ( ), .

2) ()
should would
:

If I had this book, I should give it to you.

, .

If he were here he would come.

, .

, , Past Indefinite, should would :


If I had this book, I should give it to you.

, .

, , Past Perfect, should would :

If he had had time yesterday, he would have completed the experiment.

, .

1. should would might could, , , (might) (could not):

If he had been given opportunity, the work might have been finished. , , , .

, . :

If I have time, I shall complete the experiment. , .

If you see him, ask him to come.

, .

2. , (be + ) , , , ( ):

 

If a compound is to be purified, it should be heated.

, .

5 . 105 129


, :

if

unless ...

in case ,

provided, provided that, } ,

providing, providing that } ()

on condition, on condition ,

that ()

even though ,

suppose, supposing , ;

,

:

1. If the model fits well, the observed data will be correct.

2. One will easily calculate the volume, if he knows the
dimensions of the body.

3. If life existed on Venus, v/e should know this.

4. Unless computer techniques had been developed, space
research would have never made such great progress.

5. If the life had come to the so-called equilibrium, it
would never have progressed beyond the amoeba.

6. A valuable contribution would be made, if considerable
efforts were devoted to the theoretic examination.

7. Unless the widening were small, this spectrum would
not be very faint compared with others.





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