| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [adj] [verb] [adj] [noun] | 63 |
|
| 2 | [vb past] it [adj] [verb] [adj] [noun] | 58 |
|
| 3 | [verb] it necessary [verb] [adj] [noun] | 32 |
|
| 4 | [vb past] it necessary [verb] [adj] [noun] | 12 |
|
| 5 | [vb past] [pers pn] necessary [verb] [adj] [noun] | 12 |
|
| 6 | [vb past] [pron] necessary [verb] [adj] [noun] | 12 |
|
| 7 | [vb past] it necessary [verb] [adj] [noun] | 12 |
|
