1. How long have you studied English ?
2. I haven't visited the USA yet
3. He just has given an interview
4. They have lived in Canada since 2015
5. I still haven't met your brother.
6. They have lived here for twenty years
1. How long have you studied English ?
2. I haven't visited the USA yet
3. He just has given an interview
4. They have lived in Canada since 2015
5. I still haven't met your brother.
6. They have lived here for twenty years