It is said that the thief stole several wallets.
⇒ The thief is said to have stolen several wallets.
It is said that the thief stole several wallets.
⇒ The thief is said to have stolen several wallets.
"stole" là thì quá khứ đơn → chuyển thành "to have stolen" (quá khứ hoàn thành trong bị động)
Cấu trúc: S + is said + to have + V3