| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] [that] it is necessary | 11 |
|
| 2 | [adv] [vb infin] [that] it is necessary | 11 |
|
| 3 | [not/n't] [vb infin] [that] it is necessary | 11 |
|
| 4 | not [vb infin] [that] it is necessary | 11 |
|
| 5 | [vb infin] [that] it is necessary [verb] | 8 |
|
| 6 | [vb infin] [that] it is necessary [prep] | 8 |
|
| 7 | [vb infin] [that] it is necessary [prep] | 8 |
|
| 8 | [vb infin] [that] it is necessary [to-vb] | 8 |
|
| 9 | [vb infin] [that] it is necessary for | 6 |
|
| 10 | [vb infin] [that] it is necessary for | 6 |
|
