Find the five mistakes and correct them. 1 When I was a kid, we usually go to the mountains during the summer. 2 I used work as a researcher for a drug company. 3 He's lost a lot of weight. He used to weigh 100 kilos. 4 I didn'...

Find the five mistakes and correct them. 1 When I was a kid, we usually go to the mountains during the summer. 2 I used work as a researcher for a drug company. 3 He's lost a lot of weight. He used to weigh 100 kilos. 4 I didn't never used to have lunch at school. I always had lunch at home. 5 I didn't use to like swimming, but I go quite a lot now. 6 On Fridays, we use to watch a DVD at home together. 7 Last week, I used to have to study for my exams. 7 Last week, I used to have to study for my exams. 8 My grandparents usually come to stay with us at Christmas