Прочитать правило образования present perfect сделать к нему. 1. вставить глагол в нужной форме. not learn, clean, do, draw, water. 1) he english words yet. 2) stuart his homework for two hours. 3) they already flowers in the house. 4) he just the garden. 5) melanie the picture today. 2. составь предложения, восстановив порядок слов и поставив глагол в правильную форму. 1) polly/her ballet dance/just/perform. 2) ron/his costume/yet/prepare. 3) the children/ yet/ flowers/buy. 4) the children/invite/ people to the concert/ yet. 5) andy/ the poster/ just/finish.