Question

.SPOT THE ERRORS:
A. I donot knows him. B. We helps the poor. C. Do we watches news?
D. Birds flaps their wing.

Answer 1

A. I don not know him.

B. We help the poor

C. Do we watch news

D. Birds flap their wings

Answer 2

A) I do not knows him

Correct sentence : I do not know him

B) We helps the poor.

Correct sentence : We help the poor.

C) Do we watches news?

Correct sentence : Do we watch news?

D) Birds flaps their wing.

Correct sentence : Birds flap their wings.

$\rule{200}2$

With plural form of subject, we use singular form of verb. Hence, wherever we use 'do', 'we' etc, we use singular form of verb.