| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] that | 3909 |
|
| 2 | it is [vb pp] that | 3811 |
|
| 3 | it be estimated that | 351 |
|
| 4 | it [be] estimated that | 351 |
|
| 5 | it [is] estimated that | 225 |
|
| 6 | it is estimate that | 208 |
|
| 7 | it is estimated that | 208 |
|
| 8 | [pron] is estimated that | 208 |
|
| 9 | it is estimated [conj] | 208 |
|
| 10 | it is estimated [that] | 208 |
|
