| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be estimated that [det] | 34 |
|
| 2 | it is estimate that [det] | 21 |
|
| 3 | it be estimate that some | 11 |
|
| 4 | it was estimate that [det] | 9 |
|
| 5 | it be estimate that this | 5 |
|
