Question

Passive past
Positives, negatives and questions
Re-write the sentences below - use the passive form (without the subject)

1- Did Thomas Edison invent the light bulb in 1879?

2- Clyde tombaugh discovered Pluto in 1930.

Answer 1

1)Thomas Edison did invent the light bulb in 1879

2)

Clyde Tombaugh did discover pluto in March 1930