| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [adj] [to-vb] [noun] | 114 |
|
| 2 | [vb past] it [adj] [to-vb] [noun] | 105 |
|
| 3 | [verb] it necessary [to-vb] [noun] | 39 |
|
| 4 | [vb past] [pers pn] necessary [to-vb] [noun] | 19 |
|
| 5 | [vb past] [pron] necessary [to-vb] [noun] | 19 |
|
| 6 | [vb past] it necessary [to-vb] [noun] | 19 |
|
| 7 | [vb past] it necessary [to-vb] [noun] | 19 |
|
| 8 | [vb past] it necessary [verb] [noun] | 19 |
|
