C1.1 | Impersonal reporting structures
Experts estimate that 1.35 billion people speak English. 1.35 billion ...
1.35 billion people are estimated to speak English.
The police think the robbers escaped through an air vent. The robbers...
The robbers are thought to have escaped through an air vent.
Mosquitoes are reported to transmit the disease. It is ...
It is reported that mosquitoes transmit the disease.