Question

Coloque as orações abaixo nas formas negativas e interrogativa.

A. The first sewing machine was invented in 1830.
(negativa e inrrogativa)

B. It's an invention. ​

Answer 1

A.

Was the first sewing machine invented in 1830? (interrogativa)

The first sewing machine wasn't invented in 1830. (negativa)

B.

Is it an invention? (interrogativa)

It isn't an invention. (negativa)