| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] to have [adj] [noun pl] | 124 |
|
| 2 | be necessary [verb] [adj] [noun pl] | 121 |
|
| 3 | be necessary [to-vb] [adj] [noun pl] | 121 |
|
| 4 | be necessary to have [adj] [noun] | 12 |
|
| 5 | be necessary have [adj] [noun pl] | 5 |
|
| 6 | [be] necessary to have [adj] [noun pl] | 5 |
|
