| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it necessary [to-vb] [adj] [noun] | 12 |
|
| 2 | [vb past] it necessary [to-vb] [adj] [noun] | 12 |
|
| 3 | [vb past] [pers pn] necessary [to-vb] [adj] [noun] | 12 |
|
| 4 | [vb past] [pron] necessary [to-vb] [adj] [noun] | 12 |
|
| 5 | [vb past] necessary [to-vb] [art] [adj] [noun] | 5 |
|
| 6 | [vb past] necessary [to-vb] [art] [adj] [noun] | 5 |
|
