| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] vital that [adj] [noun sg] | 9 |
|
| 2 | [pers pn] [is] vital that [adj] [noun sg] | 9 |
|
| 3 | [pers pn] [is] vital that [adj] [noun sg] | 9 |
|
| 4 | [pers pn] is vital that [adj] [noun sg] | 7 |
|
| 5 | [pers pn] [is] vital that [det] [noun sg] | 6 |
|
