| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be thought [that] [noun pl] | 20 |
|
| 2 | [pers pn] be thought that [noun pl] | 20 |
|
| 3 | [pers pn] was thought [that] [noun pl] | 10 |
|
| 4 | [pers pn] is thought [that] [noun pl] | 7 |
|
