Поставить предложения в отрицательную форму ( past simple) 1 I worked at a factory three years ago . 2 yesterday he played chess with his friend. 3 mum baked a wonderful cake the day before yesterday . 4 Emali had a car in 2006 .5 In summer they travelled across Europe 6 we installed an alarm system last week .СРОЧНО

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1 I didn't work at a factory three years ago.2 He didn't play chess with his friend yesterday.3Mum didn't bake a wonderful cake the day before yesterday.4Emali didn't have a car  in 2006.5They didn't travel across Europe in summer.6They didn't install an alarm system last week.