Last night I chose what movie we watched; today you choose the movie.
Chose is the past simple tense of choose.
The river is starting to freeze. Do you remember when it froze last year?
Freeze is the simple tense form of the verb. Froze is the past simple tense.
He's hidden my key somewhere and I can't find it. Did he tell you where he hid it? I'm going to tell him not to hide my things; it's not funny!
Hide is the present tense, hid is the past simple and hidden is the past participle form of the verb.
Have you ever flown in a helicopter? I flew in one last year. I'd love to learn how to fly one.
Flown is the past participle of fly, flew is the past tense.
Now read through these example sentences and choose the correct form of each verb:
