1. перепишите следующие предложения, подчеркните в каждом из них глагол-сказуемое и определите его видо-временную форму и залог. переведите предложения на язык 1. today scientists are still looking for the substance as a source of energy. 2. could you speak english a year ago? 3. the mendeleyev system has served for almost 100 years as a key to discovering new elements.

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medinaofficial

Английский язык

4,4(58 оценок)

1. today scientists are still looking (pres cont active) for the substance as a source of energy. 2. could (past simp act) you speak english a year ago? 3. the mendeleyev system has served (pres perf act) for almost 100 years as a key to discovering new elements. 1. сегодня ученые все еще ищут вещество - источник энергии.2. могли вы говорить по- год назад? 3. система менделеева уже почти 100 лет служит ключом к открытию новых элементов.

ванга13

Английский язык

4,6(34 оценок)

Did you play yesterday? did you watch tv yesterday? did you help about the house yesterday? did you skate yesterday? did you ski yesterday? did you skip yesterday? mike played yesterday. mike watched tv yesterday. mike helped about the house yesterday. mike skated yesterday. mike skied yesterday. mike skipped yesterday.