| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is vital that [det] | 19 |
|
| 2 | [pron] is vital that [noun pl] | 17 |
|
| 3 | is vital that [det] [noun pl] | 10 |
|
| 4 | [pron] is that [det] [noun pl] | 8 |
|
