Подчеркните в каждом из них глагол-сказуемое в Continuous и определите его время(Present, Pa

Подчеркните в каждом из них глагол-сказуемое в Continuous и определите его время(Present, Past или Future). 1. Many farms are using now automatic waterers which provide water to livestock to all times. 2. For a long time scientists were looking for ways to convert fuel directly into power. 3. The aggregate capacity of agricultural machinery is increasing year by year