| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be estimated that the [noun] | 54 |
|
| 2 | it be estimated that the [noun] | 54 |
|
| 3 | it be estimated that the [noun sg] | 46 |
|
| 4 | it is estimated that the [noun] | 29 |
|
| 5 | it was estimated that the [noun] | 22 |
|
| 6 | it be estimated that the cost | 7 |
|
| 7 | it be estimated that the cost | 7 |
|
| 8 | it be estimated that the [noun pl] | 6 |
|
