| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is estimated that [art] | 49 |
|
| 2 | it is that [art] [adj] | 33 |
|
| 3 | is estimated that [art] [adj] | 11 |
|
| 4 | it is estimated that [adj] | 7 |
|
