1. The old roof has been repaired.
2. Some inner walls have already been repainted.
3. A new exterior door has just been bought.
4. A new bathroom has already been built.
5. Central heating has been installed recently.
6. Exterior walls have been insulated lately.
7. New plumbing systems have already
been used.
8. New floors have just been laid.
New floors haven't been laid yet.
Последнее предложение я сделала два варианта ,так как не поняла ,что означает последнее слово No.
Я сделала утвердительное и отрицательное предложение.