| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [adv] necessary for | 76 |
|
| 2 | that [pron] is [adv] necessary | 45 |
|
| 3 | that [pron] is [adv] for | 14 |
|
| 4 | that [pron] is necessary for | 10 |
|
