| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it necessary [to-vb] [noun] | 19 |
|
| 2 | [vb past] it necessary [to-vb] [noun sg] | 11 |
|
| 3 | felt it necessary [to-vb] [noun] | 8 |
|
| 4 | [vb past] it necessary [to-vb] [noun pl] | 7 |
|
| 5 | found it necessary [to-vb] [noun] | 7 |
|
