Question

the meeting started at 9'o'clock (make a question) ​

Answer 1

Answer:

When did the meeting start?

Answer 2

Answer:

Did the meeting start at 9 o’ clock?

Explanation:

We can quite easily convert a sentence into a question by changing it's type to interrogative. We can use verbs like did and do before the sentence to make a question. We can also make a question by removing a part of the sentence and then asking what the part was.

As an example → What started at 9 o’ clock?

When did the meeting start?