| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] | 18437 |
|
| 2 | it [be] estimate | 424 |
|
| 3 | it be estimate | 424 |
|
| 4 | [pron] is estimate | 277 |
|
| 5 | it [is] estimate | 268 |
|
