1   Определить видо-временную форму и залог глагола сказуемого в каждом предложении.

 

When the street had been widened it could be used for bus and tram traffic.

 

      This offer will be carefully considered by the commission.

 

 A new research is being carried out successfully.

 

 He is listened to with great pleasure.

 

When the street had been widened it could be used for bus and tram traffic.

- had been widened - past perfect / passive voice

it could be - past simple / active voice

 be used - past passive voice

 2. will be considered - future simple/ passive voice

3. is being carried - present simple / passive voice

 4. is listened - present simple/ passive voice