| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [adv] [noun] | 21 |
|
| 2 | [vb mod] [be] both [noun] | 21 |
|
| 3 | [modal v] [be] both [noun] | 21 |
|
| 4 | could [be] [adv] [noun] | 18 |
|
| 5 | could [be] both [noun] | 6 |
|
| 6 | could [be] both [noun] | 6 |
|
