`Azzuri#`
She (work) in this factory for 2 years then she was out of work and she worked on a farm then.
`->`She had worked in this factory for 2 years then she was out of work and she worked on a farm then.
Giải thích: Đây là câu quá khứ hoàn thành.
Cấu trúc: S + had + $V_{pii}$