| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] not [adj] for [pron] [verb] | 102 |
|
| 2 | [be] [adv] necessary for [pron] [verb] | 23 |
|
| 3 | [be] not necessary [prep] [pron] [verb] | 14 |
|
