| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be estimated to be | 128 |
|
| 2 | is estimated to be | 43 |
|
| 3 | was estimated to be | 36 |
|
| 4 | were estimated to be | 23 |
|
| 5 | are estimated to be | 17 |
|
| 6 | been estimated to be | 6 |
|
