. He will cerainly succeed
-> He is
2. It is probably that he will never come back
-> In
3. The teacher made her students work hand for the exam
->The students were made to work hard for exam
4. He is likely to arrive late again
-> He will be able to arrive late again
5. We will have to leave immediately at the end of the film
-> The moment
6. It is said that the robber was caught while climbing up a fence
-> The robber is said to has been caught while climbing up a fence