1. Применяя усовершенствованную культурную практику, фермер добился более высокой урожайности пшеницы на гектар.2. Большинство хозяйств, выращивающих картофель, используют машины для сбора картофеля. 3. Урожай мелких зерен с комбайнами широко применяется во всем мире.4. Убирая мелкие зерна с комбайнов, человек получает больше зерна с гектара.5. Культивируя почву, используемую для возделывания рядовых культур, можно контролировать сорняки и создавать благоприятные условия для роста растений.6. Поднимаясь в благоприятных условиях окружающей среды, растения хорошо растут и цветут, и производят много семян. 7. Урожайность сахарной свеклы была высокой за счет того, что фермеры контролировали сорняки в период выращивания. 8. В свое время внесенные удобрения повысили плодородие почвы. 9. Посадка теплолюбивые следует проводить в теплую почву.
In nineteen-ninety-six in nineteen-eighty-two in nineteen-twenty-five in eighteen-seventy-two in two thousand in winter nineteen-eighty-seven in summer nineteen-ninety-eight in spring two thousand and one in autumn two thousand and three in summer two thousand in winter two thousand and five in autumn nineteen-ninety-three in spring nineteen-twenty-five in January nineteen-ninety-five in February nineteen-seventy in March nineteen-fifty-three in April nineteen-sixty-one in May nineteen-forty-five in June nineteen-forty-one in July eighteen-twelve in August nineteen-fourteen in September nineteen-eighteen in October nineteen-ninety-three in November eighteen-thirty-six in December nineteen-eighty-four in January two thousand and six
Dave: Hi Tim. What's up?
Tim: Oh, hi Dave! What are you doing here?
Dave: Oh, I've joined the Eco-helpers club.
Tim: Oh yeah, I've heard about that. Sally collects rubbish for recycling in the park every Saturday morning, doesn't she?
Dave: That's right. She's been doing that for a month. I've been building nesting boxes.
Tim: Nesting boxes?
Dave: Well, there aren't many trees left in the city for birds to build their nests. If we don't help them, they will have to leave the city.
Tim: That's interesting. What else have you been doing?
Dave: We've been planting trees and cleaning out ponds for a week now that the weather's good.
Tim: Your club sounds wonderful. I could join as well, couldn't I?
Dave: Of course you could. We really need volunteers, but you have to see Miss Jackson first. She'll tell you what to do.
Tim: Sounds great! I'll join first thing Monday morning
present perfect continious:She's been doing.
I've been building.
have you been doing?
We've been planting trees and cleaning out.
Объяснение: