is said + infinitives

Chose the right phrases to complete the second sentence so that it means exactly the same as the original one.

1. They say smoking is dangerous.
   Smoking is said that it isthat isto beto have been dangerous.
2. They think he has stolen the ring.
   He is thought to stealto be stealingthat he has stolenthat he stoleto have stolen the ring
3. People believe she is leaving tomorrow.
   She is believed to leaveto have leftthat she leavesthat she will leavethat she is leavingto be leaving
4. We know that Napoleon was a great leader.
   Napoleon is knownto wasto beto have beento has beenthat he wasthat he has been a great leader.
5. People thought he had committed the crime.
   He is thoughtwas thoughtthinksis thought to committo has committedthat he committedthat he has committedto have committedthat committed the crime.
6. They believed he was going to retire.
   He was believedwas expectedis believedis expectedexpectsbelieves to retireto be retiringthat he will retirethat he would retire
7. We all know that cancer is caused by smoking.
   Cancer is known to be causedthat it is causedthat is causedto have been causedto has been caused by smoking.
8. They say Ann and Peter are getting married next week.
   Ann and Peter are said to getto be getingto be gettingthat are gettingthat they are getting
9. People think she is pregnant.
   She is thought to have beento bethat isthat she isto is pregnant
10. People say she has miscarried twice.
    She is said to miscarryto miscarrieto have miscarriedto has miscarriedthat she has miscarriedthat she miscarriedthat has miscarried twice.