Past Simple vs. Present Perfect

Where ...?... (watch) it? I was in the cinema.

What is the past partciple for the verb "know"?

...?... (your sister decide) when she's coming?

I ..?.. (to) France last week and I ..?.. (have) a great time! We ..?.. (eat) a lot of snails.

When we don't know when it happened or it's not important we use...

When we talk about details (when, where, who...) we use ...

Which verb is in the past participle form (3rd form)?

What is the third form for the verb "begin"?

What is the past simple form for the verb "buy"?

...?... (you ever be) to London?

When we know when something happened we use .......

When ...?... (you go)?