| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] it is vital that | 5 |
|
| 2 | [vb base] it is vital that | 5 |
|
| 3 | [vb base] it is vital [that] | 5 |
|
| 4 | [vb base] it is vital [conj] | 5 |
|
