怎樣運用這裡的 動詞時态?這是新概念二第二課的練習題, 如題;Im looking out of my window .I can see some children in the street .The children ______(play) football .They always ______(play) football in the street . Now a little boy ______(kick) the ball . Another boy _______(run) after him but he cannot catch him. 動詞的時态應該怎樣用呢?