| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] it is [adj] that | 69 |
|
| 2 | [verb] it is vital that | 11 |
|
| 3 | [vb base] it be vital that | 7 |
|
| 4 | [vb base] it [be] vital that | 7 |
|
| 5 | [vb base] it [is] vital that | 7 |
|
| 6 | [vb base] it is vital that | 5 |
|
| 7 | [vb base] it is vital [conj] | 5 |
|
| 8 | [vb base] it is vital that | 5 |
|
| 9 | [vb base] [pron] is vital that | 5 |
|
| 10 | [vb base] [pers pn] is vital that | 5 |
|
| 11 | [vb base] it is vital [that] | 5 |
|
