| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which could [be] a [noun] | 10 |
|
| 2 | which could be a [noun] | 10 |
|
| 3 | which could [be] a [noun sg] | 10 |
|
| 4 | which could [be] a [noun] | 9 |
|
