| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be thought to [be] | 863 |
|
| 2 | be thought to be | 863 |
|
| 3 | is thought to [be] | 316 |
|
| 4 | was thought to [be] | 201 |
|
| 5 | are thought to [be] | 163 |
|
| 6 | were thought to [be] | 100 |
|
| 7 | be thought to [be] | 50 |
|
| 8 | been thought to [be] | 16 |
|
| 9 | 's thought to [be] | 14 |
|
