| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been estimated [that] [adj] | 34 |
|
| 2 | have been [that] [adj] [noun] | 13 |
|
| 3 | been estimated [that] [adj] [noun] | 11 |
|
| 4 | have been estimated [that] [noun] | 9 |
|
| 5 | have estimated [that] [adj] [noun] | 5 |
|
