11. understands, hasn't done или understood, hadn't done;
12. returned, was doing;
13. likes, goes;
14. has been looking for;
15. have you been learning;
16. comes, I will be glad;
17. went, would make;
18. go, will visit;
19. would phone, knew;
20. had not eaten, would have lost.
Добрый день. Меня заинтересовал ваш ответ "11. understands, hasn't done или understood, hadn't done;
12. returned, was doing;
13. likes, goes..." на вопрос http://www.liveexpert.org/topic/view/887390-pomogite-s-anglijskim. Можно с вами обсудить этот ответ?