Most grammar books tell you: use the Present Perfect for ‘experiences’ and the Simple Past for ‘finished actions.’ And then you still don’t know what to say.

Example: “Have you ever tried sushi?” — wide angle. You’re asking about their whole life up to now.

“Yes, I tried it last summer.” — zoom. A specific moment just came into focus.

Same experience. Different lens. That’s it.

When People Actually Use Each One

Here are the real situations where each tense shows up in natural conversation:

The Switch Moment

This is the most useful thing to understand. In real conversations, you often start with the Present Perfect and then switch to Simple Past the moment a specific time appears.

Signal Words to Listen For

Certain words almost always tell you which tense to use: