| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is necessary for [pers pn] | 9 |
|
| 2 | [conj] [pers pn] is necessary for [pers pn] | 9 |
|
| 3 | [that] [pers pn] is necessary for [pers pn] | 5 |
|
| 4 | that [pers pn] is necessary for [pers pn] | 5 |
|
| 5 | that [pers pn] is necessary for [pers pn] | 5 |
|
