| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be estimated that some | 11 |
|
| 2 | [pers pn] be estimated that some | 11 |
|
| 3 | [pers pn] was estimated that some | 6 |
|
| 4 | [pers pn] is estimated that some | 5 |
|
