| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been estimate that the | 15 |
|
| 2 | it has [be] estimate that the | 15 |
|
| 3 | it has be estimate that the | 15 |
|
| 4 | it has [be] estimate that the | 15 |
|
| 5 | it has [been] estimate that the | 15 |
|
| 6 | it has [be] estimated that the | 15 |
|
