Have you ever...?

zyc50

Ever means from the time you were born until now. Except for rare exceptions, it can only be used in questions and to answers with a no.
It is used with have or had + a past participle.
Example:
Have you ever eaten a frog?
Has she ever gone to Australia?
When you answer the question, a yes answer will use have/has + past participle.
Have you ever seen a whale?

Answer:
Yes, I have seen a whale. or Yes, I have.
If you answer the question with a no, you will need to use
haven't /hasn't + ever + past participle or
have /has + never + past participle
(both of these have the same meaning)

Example:
Have you ever seen a whale?
Answer:
No, I haven't ever seen a whale. or
No, I've never seen a whale. or
No, I haven't.