Question

В пассивный залог 1)He has made a number of important experiments in this laboratory. 2)Livingstone explored Central Africa in the 19th century

Answer 1

Number of important experience was made by him in this laboratory

Central Africa was explored by livingstone in the 19 century

Answer 2

Passive Voice in the Given Sentences

1) He has made a number of important experiments in this laboratory. 2) Livingstone explored Central Africa in the 19th century.

In both of these sentences, the verb forms are in the passive voice. The passive voice is used when the subject of the sentence is the receiver of the action, rather than the doer of the action. In the passive voice, the object of the active sentence becomes the subject of the passive sentence, and the verb is formed using a form of the auxiliary verb "to be" followed by the past participle of the main verb.

Let's analyze each sentence in more detail:

1) He has made a number of important experiments in this laboratory. - In this sentence, the subject is "He," and the verb phrase is "has made." - The object of the verb is "a number of important experiments." - The verb "has made" is in the present perfect tense, indicating that the action happened in the past and has a connection to the present. - The verb "made" is the past participle form of the verb "make." - The sentence is in the passive voice because the subject "He" is the receiver of the action (making the experiments), rather than the doer of the action.

2) Livingstone explored Central Africa in the 19th century. - In this sentence, the subject is "Livingstone," and the verb is "explored." - The object of the verb is "Central Africa." - The verb "explored" is in the past tense, indicating that the action happened in the past. - The sentence is in the passive voice because the subject "Livingstone" is the receiver of the action (exploring Central Africa), rather than the doer of the action.

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