| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [adj] [verb] [noun] [prep] | 48 |
|
| 2 | [vb past] it [adj] [verb] [noun] [prep] | 43 |
|
| 3 | [verb] it necessary [verb] [noun] [prep] | 14 |
|
| 4 | [vb past] it necessary [verb] [noun] [prep] | 10 |
|
| 5 | [vb past] [pers pn] necessary [verb] [noun] [prep] | 10 |
|
| 6 | [vb past] it necessary [verb] [noun] [prep] | 10 |
|
| 7 | [vb past] [pron] necessary [verb] [noun] [prep] | 10 |
|
