11. Where (is) your brother? He has just (to come) home. He (is taking) a shower in the bathroom now. 12. As soon as I (saw) him, I (understood) that he (was working) hard. He (was writing) something and (did not notice) anything. 13. When I (came) home yesterday, the children (were running) and (singing) merrily. "We (have learnt) a new song!" they cried. 14. When the young man (entered) the room, she (looked) at him in surprise. What are you (going) to tell me? she (said) . Why have you (come)?