| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] necessary [to-vb] for [art] [noun] | 13 |
|
| 2 | be necessary [to-vb] for [art] [noun] | 13 |
|
| 3 | is necessary [to-vb] for [art] [noun] | 7 |
|
| 4 | [is] necessary [to-vb] for [art] [noun] | 7 |
|
| 5 | be necessary [to-vb] for [art] [noun] | 5 |
|
| 6 | [be] necessary [to-vb] for [art] [noun] | 5 |
|
| 7 | necessary [to-vb] for [art] [adj] [noun] | 6 |
|
| 8 | necessary [to-vb] for [art] [adj] [noun] | 6 |
|
| 9 | necessary [to-vb] for [art] [noun] [prep] | 13 |
|
| 10 | necessary [to-vb] for [art] [noun] [prep] | 13 |
|
| 11 | necessary [to-vb] for [art] [noun] of | 11 |
|
| 12 | necessary [to-vb] for [art] [noun] of | 11 |
|
| 13 | necessary [to-vb] for [art] [noun] [conj] | 5 |
|
