Поставить предложения в вопросительную и отрицательную форму: 1 I left the key in the lock. 2 My sister decided to do it herself. 3 He is busy now. 4 She helps me with my English. 5 His brother entered the college last year. 6 Ann has just received the letter. 7 I will go to the cinema tomorrow. 8 We have dinner at 7. 9 The town was founded in 1584. 10 We are picking up speed.

1 I didn't leave the key in the clock.Did I leave the key in the clock?2 My sister decided not to do it herself. Did my sister decided to do it herself? 3 Is he busy now?He isn't busy now.4 Does she help me with my English? She doesn't help me with my English. 5 Did his brother enter the college last year? His brother didn't enter the college last year. 6 Has Ann just received the letter?Ann hasn't just received the letter.7 Will I go to the cinema tomorrow? I won't go to the cinema tomorrow. 8 We don't have dinner at 7 o'clock. Do we have dinner at 7 o'clock? 9 The town wasn't founded in 1584.Was the town founded in 1584.10 Are we picking up speed?We aren't picking up speed.