6.Употребите предложение в the Present Perfect Tense. Перевидите предложения (письменно).
Model
I read this book (already).
I have already read this book.
1.I wrote a letter to my sister (just).
2.He spent his summer holidays in Spain (never).
3.I know him very well (since 1999)
4.I washed my shoes (just).