.


:




:

































 

 

 

 





"for + () +

"

"for + () + " :

1. obtain the number of watts, we multiply volts by
amperes.

2. For a reaction to take place, an A molecule must first
meet molecule.

3. A small crystal of ice added to the supercooled water
is sufficient to cause the appearance of ice.

4. The accuracy of the lunar and solar theories is not
sufficient for them to be significant.

5. It is possible to compress this substance.

6. The tendency for a substance to come to a metastable
state must be taken into account.

20. ( " ")

, . , ( ) . , , : 1) (know , believe


, show , prove .); 2) , (want , demand, require .); 3) (see , hear .).

1. to (. , 2).

2. , , , , .

" " , , . , . , ( ) ( ) . . expect , hope , . (. 4):

1. I know your colleagues (them) to work hard.

, () .

2. During the experiment we saw the temperature (it) fall

rapidly.

, .

3. expects his colleagues (them) to complete the

experiment soon.

, ()

.

4. They believe the substance (it) to have dissolved.
, () .


, :

1) assume* , , -

believe* ,

consider* ,

choose* ,

expect* , ,

find , ,

hold*

know

maintain*

reckon

suppose ,

take*

think ,

show

prove*

2) desire ,
require
wish ,
want

3) feel
hear
see
watch }
observe }

1. expect, , , : \ expect you to work hard. . , ( ).

2. require - -:

They required us to take an examination.

( they -).

, .

* " " .


3. assume, consider, suppose , believe, find, think ( , ):

Dr. Baker believes the conductivity to be due to foreign impurities.

- , () .

- , ...

, " + ":

1. Experiments have proved the pressure of a gas at fixed
temperature to depend on its concentration.

2. We have thought this law to hold only for gases which
are under normal conditions.

 

3. One may safely expect this prediction to be quite
reliable.

4. Let us take the force to equal 17 dynes.

5. On assuming the body with the mass to be acted
upon by force /, let us calculate the acceleration.

6. Examination with X-rays has shown the halogens even
in the solid state to possess diatomic molecules.

7. They found radon to be 3 times as heavy as hydrogen.

8. Let us take the volume of this body to equal v.





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