| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is not necessary [to-vb] | 167 |
|
| 2 | it is not necessary [verb] | 167 |
|
| 3 | it is not necessary to have | 9 |
|
| 4 | it is not necessary have | 9 |
|
| 5 | it is not necessary to prove | 6 |
|
| 6 | it is not necessary go | 6 |
|
| 7 | it is not necessary to consider | 6 |
|
| 8 | it is not necessary to go | 6 |
|
| 9 | it is not necessary to use | 6 |
|
| 10 | it is not necessary prove | 6 |
|
| 11 | it is not necessary use | 6 |
|
| 12 | it is not necessary consider | 6 |
|
