| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it necessary for | 38 |
|
| 2 | make it necessary for | 29 |
|
| 3 | [vb past] it necessary for | 13 |
|
| 4 | made it necessary for | 12 |
|
| 5 | [vb -s] it necessary for | 9 |
|
| 6 | makes it necessary for | 7 |
|
| 7 | [vb base] it necessary for | 7 |
|
| 8 | [vb pp] it necessary for | 5 |
|
