| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is thought that | 203 |
|
| 2 | was thought that | 120 |
|
| 3 | be thought that | 101 |
|
| 4 | been thought that | 28 |
|
| 5 | 's thought that | 16 |
|
| 6 | be thought that | 8 |
|
