Are the underlined parts of these sentences right or wrong? Correct them where necessary.

I've lost my key. I can't find it anywhere.
OK
Have you eaten a lot of sweets when you were a child?
Did you eat
I've bought a new car. You must come and see it.
I've bought a new car last week.
Where have you been yesterday evening?
Lucy has left school in 1999.
I'm looking for Mike. Have you seen him?
Have you been to Paris? Yes, many times.
I'm very hungry. I haven't eaten much today.
When has this book been published?

I've lost my key. I can't find it anywhere.
- The underlined part is correct.

Have you eaten a lot of sweets when you were a child?
- The correct form is "Did you eat a lot of sweets when you were a child?"

I've bought a new car. You must come and see it.
- The underlined part is correct.

I've bought a new car last week.
- The correct form is "I bought a new car last week."

Where have you been yesterday evening?
- The correct form is "Where were you yesterday evening?"

Lucy has left school in 1999.
- The correct form is "Lucy left school in 1999."

I'm looking for Mike. Have you seen him?
- The underlined part is correct.

Have you been to Paris? Yes, many times.
- The underlined part is correct.

I'm very hungry. I haven't eaten much today.
- The underlined part is correct.

When has this book been published?
- The correct form is "When was this book published?"