Work in pairs.Use the cues.the Present Perfect and or since to make a diologues Пример:1)Barbara and Maria are best friends/Maria was a child.
How long have Barbara and Maria been best friends?
The have been best friends since Maria was a child
1)Barbara has a computer/years
2)you have a computer/last week
3)your dad works abroad/two years
4)you live in the countryside/2003
5)your sister has a dog/six months