| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not necessarily be [vb pp] | 84 |
|
| 2 | not necessarily be [vb pp] | 80 |
|
| 3 | not necessarily be [vb pp] | 79 |
|
| 4 | n't necessarily be [vb pp] | 5 |
|
