| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is thought to [be] | 316 |
|
| 2 | [conj] is to [be] | 120 |
|
| 3 | [conj] is thought to | 21 |
|
| 4 | [conj] thought to [be] | 20 |
|
