| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is estimated that [adj] | 52 |
|
| 2 | is estimated that [adj] [noun] | 19 |
|
| 3 | it is that [adj] [noun] | 17 |
|
| 4 | it is estimated that [noun] | 15 |
|
