Перепишите во всех временах он изобретает машину

Oн изобретает машину.

He invents the machine. (Present Indefinite).

He doesn’t invent the machine.

Does he invent the machine?

He invented the machine. (Past Indefinite).

He didn’t invent the machine.

Did he invent the machine?

He will invent the machine. (Future Indefinite).

He will not invent the machine.

Will he invent the machine?

He would invent the machine. (Conditional).

He wouldn’t invent the machine.

Would he invent the machine?

He is inventing the machine. (Present Continuous).

He is not inventing the machine.

Is he inventing the machine?

He was inventing the machine. (Past Continuous).

He was not inventing the machine.

Was he inventing the machine?

He has invented the machine. (Present Perfect).

He hasn’t invented the machine.

Has he invented the machine?

He had invented the machine. (Past Perfect).

He had invented the machine.

Had he invented the machine?