| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be estimated that [adj] [noun] | 36 |
|
| 2 | it is estimated that [adj] [noun] | 19 |
|
| 3 | it be estimated that [adj] [noun pl] | 17 |
|
| 4 | it was estimated that [adj] [noun] | 15 |
|
| 5 | it be estimated that [num] [noun] | 15 |
|
| 6 | it be estimated that [det] [noun] | 11 |
|
| 7 | it be estimated that [adj] [noun sg] | 9 |
|
| 8 | it be estimated that [adj] [noun] | 9 |
|
| 9 | it be estimated that [adj] [n mass] | 7 |
|
