| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] necessary [to-vb] [prep] | 149 |
|
| 2 | it [is] necessary [to-vb] [prep] | 149 |
|
| 3 | it [is] necessary [to-vb] [prep] | 149 |
|
| 4 | it is necessary [to-vb] [prep] | 144 |
|
| 5 | it [is] necessary [to-vb] in | 29 |
|
| 6 | it [is] necessary [to-vb] in | 29 |
|
| 7 | it [is] necessary to look [prep] | 25 |
|
| 8 | it [is] necessary [to-vb] to | 24 |
|
| 9 | it [is] necessary [to-vb] to | 24 |
|
| 10 | it [is] necessary [to-vb] at | 17 |
|
| 11 | it [is] necessary [to-vb] at | 17 |
|
| 12 | it [is] necessary [to-vb] into | 12 |
|
| 13 | it [is] necessary [to-vb] into | 12 |
|
| 14 | it [is] necessary [to-vb] between | 12 |
|
| 15 | it [is] necessary [to-vb] for | 12 |
|
| 16 | it [is] necessary [to-vb] between | 12 |
|
| 17 | it [is] necessary [to-vb] for | 12 |
|
| 18 | it [is] necessary to distinguish [prep] | 11 |
|
| 19 | it [is] necessary [to-vb] with | 9 |
|
| 20 | it [is] necessary [to-vb] on | 9 |
|
| 21 | it [is] necessary [to-vb] on | 9 |
|
| 22 | it [is] necessary [to-vb] with | 9 |
|
| 23 | it [is] necessary to refer [prep] | 8 |
|
| 24 | it [is] necessary to take [prep] | 7 |
|
| 25 | it [is] necessary to go [prep] | 6 |
|
| 26 | it 's necessary [to-vb] [prep] | 5 |
|
