Key to exercises on p. 152:

4

1 It is said to feature special effects not seen before.

2 It is now thought to be a fake.

3 She is believed to be going straight to Scotland.

4 The Giant Panda was reported to have given birth.

5 He was supposed to be carrying on for another year.

6 They are reported to have escaped from a high-security prison.

7 The escaped criminal is known to be dangerous.

8 It is/was supposed to have been fascinating.

5

1 has been gone up X has gone up   2 They are thought that they are hiding X They are thought to be hiding / It is thought (that) they're hiding   3 was began X began / was begun   4 to not be invited X not to be invited   5 has taken X has been taken   6 was doubted X doubted