| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it be estimated that | 35 |
|
| 2 | [coord] it [be] estimated that | 35 |
|
| 3 | and it [be] estimated that | 30 |
|
| 4 | [coord] it [is] estimated that | 20 |
|
| 5 | [coord] it is estimated that | 19 |
|
| 6 | [coord] it was estimated that | 15 |
|
| 7 | [coord] it [was/were] estimated that | 15 |
|
| 8 | but it [be] estimated that | 5 |
|
