| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be necessary [to-vb] at | 26 |
|
| 2 | [be] necessary [to-vb] at | 26 |
|
| 3 | is necessary [to-vb] at | 17 |
|
| 4 | [is] necessary [to-vb] at | 17 |
|
| 5 | be necessary [to-vb] at | 6 |
|
| 6 | [be] necessary [to-vb] at | 6 |
|
| 7 | [adv] necessary [to-vb] at | 5 |
|
| 8 | [adv] necessary [to-vb] at | 5 |
|
| 9 | necessary [to-vb] [adv] at | 9 |
|
| 10 | necessary [to-vb] [noun] at | 7 |
|
| 11 | necessary [to-vb] [adv] at | 7 |
|
| 12 | necessary [to-vb] [noun sg] at | 5 |
|
| 13 | necessary [to-vb] at [art] | 15 |
|
| 14 | necessary [to-vb] at the | 15 |
|
| 15 | necessary [to-vb] at the | 15 |
|
| 16 | necessary [to-vb] at [art] | 15 |
|
| 17 | necessary [to-vb] at [adj] | 7 |
|
| 18 | necessary [to-vb] at [det] | 6 |
|
