—Look! He (water) the young trees in the garden.
—No, but I (go) to Beijing next summer.
—Oh, I (take) a bath then.
—But I (watch) it already. In fact, I (watch) it just yesterday evening.
—Sorry, I (not see) the sign.
—I just (have) lunch. I (be) full.
—I (lose) my key. I guess I (lose) it while I was riding a bike.