NEVER1) I have never been in Grodno.2) I have never eat an ice cream.3) We have never worked together.4) I have never had an apartment in the city center.5) She's never shouted at them.
EVER1) Have you ever been to Thailand?2) Have you ever spoken English with a native speaker?3) I have ever been in zoo.4) Have you ever seen a elephant?5) Have you ever been to Scotland?