1) Sam repaired his can yesterday. Sam did not repair his can yesterday. Did Sam repair his can yesterday? 2) Alice is jumping on her bed now. Alice is not jumping on her bed now. Is Alice jumping on her bed now? 3) My parents will fly to America next week. My parents will not fly to America next week. Will my parents fly to America next week? 4) Anna waters the flowers every day. Anna doesn’t water the flowers every day. Does Anna water the flowers every day? 5) You have already made the bed. You haven’t made the bed yet. Have you already made the bed?
1. You should try to find out as many facts as possible about history of engineering. 2. The team of experts is to analyze the present situation connected with the new industrial installation. 3. The young engineer was allowed to apply the mobile equipment in his field experiments. 4. This production process had to be further improved by new technical means. 1. Вы должны попытаться выяснить как можно больше фактов об истории техники. 2. Группа экспертов должна проанализировать нынешнюю ситуацию, связанную с новой промышленной установкой. 3. Молодому инженеру разрешили использовать передвижное оборудование в своих выездных экспериментах. 4. Этот производственный процесс надо было доработать с новых технических средств.
Конечно, мне очень стыдно, если я забуду день рождения мамы или папы. Это очень важные семейные даты и про них нельзя забывать.