| 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 | 19 |
|
| 5 | [coord] it was estimated that | 15 |
|
| 6 | but it be estimated that | 5 |
|
