Have you fed the cats? – Yes, I … . / Yes, I … them before dinner.
Has she ever eaten snails? – No, she … . / Yes, she … them in Italy last summer.
Have they found the photos? – No, they … . / Yes, they … them yesterday.
Have you planted the tulips? – No, I … yet. / Yes, I … them on Friday.
Has he already seen your garden? – Yes, he … . / Yes, he … it a month ago.​