Запишите предложения в отрицательной форме.We have been discussing the issue. I have been travelling a lot since last summer.You have been driving for 5 hours. My friend has been learming Chinese​

We haven't been discussing the issue. I haven't been travelling a lot since last summer.You haven't been driving for 5 hours. My friend hasn't been learming Chinese.

We have not been discussing the issue. I have not been travelling a lot since last summer.You have not been driving for 5 hours. My friend has not been learming Chinese