Passive- Perfect Tenses 1

Write the Passive form:

Microsoft has developed a new operating system.

A new operating system __________ by Microsoft.

Write the Passive Form:

In only a month Tesla has sold 400,000 Model 3.

In only a month 400,000 Model 3 _____________ (by Tesla.)

Write the Passive Form:

They had tested the autonomous car days before the accident.

The autonomous car ___________ days before the accident.

Write in the Passive Form:

Mankind has always used tools.

Tools ________________ by mankind.

Write the Passive Form:

The company had developed another software.

Another software ______________ by the company.