II open the brackets using Past Simple, Past Continuos, or Past Perfect. 1.The boys (to play hockey in the park while the girls (to draw) a picture. 2. Mrs. Brown (to understand) that the children already (to translate) the text. 3.From 5 till 6 p.m. yesterday she (to watch) TV 4.I (to read) a very interesting book when somebody (to knock) at the door.