Question

change the verb of the sentence into interrogative negative form:-
The children knows how to open the door​.

Answer 1

Answer:

does not the children know how to open the door ?

this the correct answer .

hope this helps you

Answer 2

Change the verb of the sentence into interrogative negative form:-

Q) The children knows how to open the door.

Ans ) Does not the children know how to open the door ?

Hope it helps you :)