Напишите предложения в отрицательной форме: 1. this engineer’s report contains very interesting data. 2. a group of workers went to africa last summer. 3. seeing is understanding. 4. they will have been working at this problem for two months. 5. harry’s shop has a large territory.
2.A group of workers didn't go to Africa last summer.
3.Seeing isn't understanding.
4.They will not have been working at this problem for two months.
5.Harry's shop hasn't a large territory.