| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it becomes necessary | 10 |
|
| 2 | [subord] it becomes necessary | 6 |
|
| 3 | if it becomes necessary | 5 |
|
| 4 | if it becomes necessary | 5 |
|
| 5 | it [adv] becomes necessary | 7 |
|
| 6 | it [adv] becomes necessary | 7 |
|
| 7 | it becomes necessary [verb] | 17 |
|
| 8 | it becomes necessary [to-vb] | 17 |
|
