Q1 - I've ____ seen her do that.



Q2 - I've trouble ____ since I bought it.



Q3 - I am surprised that you have _____ done it before.



Q4 - Have you ____ tried it?




Q5 - Haven't you ____ been there?




Q6 - 'Ever' and 'never' are adjectives.



Q7 - It's ____ been this bad before.




Q8 - 'Ever' and 'never' are adverbs.



Q9 - You cannot use 'ever' with the present simple.



Q10 - You can only use 'never' with the present perfect.