| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] it necessary | 62 |
|
| 2 | [vb base] it necessary | 62 |
|
| 3 | find it necessary | 23 |
|
| 4 | consider it necessary | 12 |
|
| 5 | make it necessary | 11 |
|
| 6 | think it necessary | 8 |
|
| 7 | feel it necessary | 6 |
|
