| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a matter for debate | 5 |
|
| 2 | [be] a [noun sg] for debate | 5 |
|
| 3 | be a [noun] for debate | 5 |
|
| 4 | [be] a matter for debate | 5 |
|
