| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] [prep] | 15849 |
|
| 2 | not necessarily [vb infin] | 1050 |
|
| 3 | necessarily [vb infin] [prep] | 279 |
|
| 4 | not necessarily [prep] | 248 |
|
