Действительный (активный) залог

Вид	Время
	Present			Past			Future
Indefinite	supply			suppl ied			shall		supply
	suppl ies						will
Continuous	am		supply ing	was		supply ing	shall		be supply ing
	is
	are			were			will

 

 

Perfect	have		suppl ied	had suppl ied	shall		have suppl ied
	has				will
Perfect Continuous	have		Been supply ing	had been supply ing	shall		have been supply ing
	has				will

 

State the tense forms of the following verbs.

Model:

link - Present Indefinite (active voice) does not link - Present Indefinite (negative form)

is circulating, have not moved, transmits, emitted, did not emit, has burnt, will not operate, act

 

Put down the tense forms of the verbs.

Model:        to lower - Pres. Perf. have (has) lowered

to heat -	Past Indef.	- __________________________
to discharge -	Pres. Contin.	- __________________________
to remove -	Pres. Perf.	- __________________________
to bum -	Pres. Perf. Contin.	- __________________________
to waste -	Future Ind.	- __________________________
to demand -	Past Perf.	- __________________________
to move -	Future Perf.	- __________________________

 

Translate these negative sentences into Russian. What is the difference between the English constructions and the Russian ones?

1. No charges can move in an open circuit.

2. Nothing less than a map of the Universe is planned by the research.

3. No special equipment is necessary to carry out the experiment.

4. A current which does not change its polarity is called a direct current.

3. A dry battery is a type of a small battery containing no free liquid.

6. The efficiency of a machine can never be greater than unity; it is often given as a percentage.

7. A fast reactor is a reactor in which little or no moderator is used and in which, therefore, the nuclear fissions are caused by fast neutrons.

8. Electrically safe locations are those where conditions causing extremely high danger of electric shock do not exist.

9. No electric device has only advantages. All of them have also disadvantages.

 

Put down the negative form of the following verbs.

Model:        moved - did not move

required	- _____________________________________
was operating	- _____________________________________
links	- _____________________________________
has demanded	- _____________________________________
will have been replaced	- _____________________________________
release	- _____________________________________
is transmitting	- _____________________________________
fissioned	- _____________________________________

 

Passive Voice

Страдательный (пассивный) залог

Вид	Время
	Present			Past			Future
Indefinite	am		suppl ied	was		suppl ied	shall		be suppl ied
	is
	are			were			will
Continuous	am		being suppl ied	was		being suppl ied	-
	is
	are			were
Perfect	have		Been suppl ied	had been suppl ied			shall		have been suppl ied
	has						will

 

State the voice and the tense form of the following verbs.

Model:        was removed - Past Indefinite Passive

is discharged	- _____________________________________
was being discharged	- _____________________________________
has discharged	- _____________________________________
had not been attached	- _____________________________________
is circulating	- _____________________________________
will not be heated	- _____________________________________
extends	- _____________________________________
does not maintain	- _____________________________________
is not maintained	- _____________________________________
will be linked	- _____________________________________
will release	- _____________________________________
will have been removed	- _____________________________________

 

23. Change the sentences into questions:

1. There are various types of nuclear reactors.

2. The use of underground transmission lines must be increased.

3. The fuel can be enriched uranium.

4. The fission heat is used to generate steam, which drives a turbine generator.