| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | necessary for [pron] [to-vb] [adj] [noun] | 15 |
|
| 2 | necessary for [pers pn] [to-vb] [adj] [noun] | 13 |
|
| 3 | necessary for [pron] [to-vb] [adj] [noun sg] | 9 |
|
| 4 | necessary for [pron] [to-vb] [adj] [noun] | 7 |
|
| 5 | necessary for [pron] [to-vb] [adj] [noun pl] | 6 |
|
| 6 | necessary for [pron] [to-vb] [det] [noun] | 6 |
|
