Поставить правильную форму вспомогательного глагола в предложениях: 1. ... the farmers often harrow the fields? 2. ... he reap wheat in August? 3. ... they irrigate the fields twice a week? 4. ... the mechanic use a cartload of manure to fertilize black soil? 5. ... she often water her garden? 6. ... the farmers turn straw in the fields? 7. ... they grow a lot of crops every year?