| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] estimated that [noun sg] | 12 |
|
| 2 | [pers pn] be estimated that [noun sg] | 12 |
|
| 3 | [pers pn] [is] estimated that [noun sg] | 9 |
|
| 4 | [pers pn] is estimated that [noun sg] | 9 |
|
