| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] that [pers pn] [vb base] | 450 |
|
| 2 | it be [adj] that [pers pn] [vb base] | 433 |
|
| 3 | it be essential that [pers pn] [verb] | 66 |
|
| 4 | it be essential [conj] [pers pn] [vb base] | 58 |
|
| 5 | it [be] essential that [pers pn] [vb base] | 57 |
|
| 6 | it be essential that [pers pn] [vb base] | 57 |
|
| 7 | it be essential [that] [pers pn] [vb base] | 57 |
|
| 8 | it be essential that [pron] [vb base] | 57 |
|
| 9 | [pron] be essential that [pers pn] [vb base] | 57 |
|
| 10 | it be essential that [pers pn] [vb base] | 57 |
|
