选择动词的适当形式填空.1、I always( )【watch /watched】TV on Saturday.2、She ( )【help/helped】
her mother yesterday morning.3、Look.They're( )【suam/swimming】at the pool.4、My uncle usually（）【washed washes】the dishes at home.5、She()【learned /learns】more about history yesterday afternoon.6、His father()【watching/watched】a film last night.