| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] [that] [noun] [verb] | 311 |
|
| 2 | it [is] vital [that] [noun] [verb] | 16 |
|
| 3 | it [be] vital [that] [noun] [verb] | 16 |
|
| 4 | it be vital [that] [noun] [verb] | 16 |
|
| 5 | it is vital [conj] [noun] [verb] | 13 |
|
| 6 | it is vital [that] [noun] [verb] | 13 |
|
| 7 | [pers pn] is vital [that] [noun] [verb] | 13 |
|
| 8 | [pron] is vital [that] [noun] [verb] | 13 |
|
