Put the verbs in brackets in the Past Simple or in the Present Perfect.
1) I...(never/be) to the USA. I...(want) to go there last summer but I couldn't.
2)He...(live) in this street all his life.
3)His father ...(come dack) to London last Sunday.
4)Yan...(write) a letter to Nick two days ago.
5)He alredy...(send) his letter.
6)They...(just/buy) some postcards.