Perfect vs Past

We use this tense for finished past actions (when we say, ask, or know when it happened)

Where do we put 'ever' and 'never' in the sentence (before or after main verbs)

We use this tense for past experiences when we don't say exactly when it happened.

We often use ever or never when we talk about past experiences.

Which tense to use: past action but we focus on present result?

We use "yet" in ______ and ______ sentences.