| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have a [adj] [noun] | 188 |
|
| 2 | have a [adj] [noun] [to-vb] | 175 |
|
| 3 | must have [adj] [noun] [to-vb] | 20 |
|
| 4 | must have a [noun] [to-vb] | 7 |
|
