Проверь себя!

1. Определите время и залог глагола в предложении.

a) Russian scientists played an important part in solving the problem of atmospheric electricity.
b) Scientists have not yet created such a robot that can think.
c) Direct current is not used in this type of appliances.
d) The engineers had not predicted the properties of the substance by the time they got this information.
e) Our students are being examined by the professor at the moment.

1. Измените предложение, используя страдательный залог вместо действительного.

a) We produce electricity at power plants.
b) They used the new properties of magnetized water for practical purposes.
c) Our students are detecting the heating of this metal conductor now.
d) We have already carried out lots of experiments.
e) They had finished the research investigation by 7 p.m. yesterday.

1.Определите время и залог глагола в предложении.
a) Past Simple, active voice.
b) Present Perfect, active voice.
c) Present Simple, passive voice.
d) Past Perfect, active voice;
Present Continuous, passive voice.
2.Измените предложение, используя страдательный залог вместо действительного.
a) Electricity is produced at power plants.
b) The new properties of magnetized water were used for practical purposes.
c) The heating of this metal conductor is being detected by our students now.
d) Lots of experiments have already been carried out.
e) The research investigation had been finished by 7 p.m. yesterday