you were there
You were there too.
Tu y étais, au mariage de Florette ?
Were you there at Florette's wedding?
— Jean de Florette (1986)
Tu y étais et tu avais cette casquette !
You were there and you had that cap!
— Le Voleur de bicyclette (1948)
I know you were there.
You were there, weren’t you?