| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it necessary | 424 |
|
| 2 | found it [adj] | 239 |
|
| 3 | find it necessary | 162 |
|
| 4 | [vb pp] it necessary | 65 |
|
| 5 | found [pron] necessary | 22 |
|
