I (learn) english for the last two years, and now i (study) russian, too. 2. when water (boil) the liquid (change) to a vapour that (be call) steam. 3. he (study) chemistry for three years and then (give) it up. 4. cyril never (wash) behind his ears, he (say) the soap (get) into his eyes. 5. maisie (paint) her toe nails and her hair (change) colour at least three times since last winter. 6. my wife (not come) home yet. she never (come) home before midnight and last night she ( not get) in till two o'clock. 7. i (see) you yesterday. you (drink)ginger beer at a cafe, but you (not see) me. 8. sometimes the roof ( leak) and (let) in the rain. 9. now, he (prepare) the plans for a new town hall. 10. i (be born) in london but (spend) most of my childhood in the country.