| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] be [noun] | 155 |
|
| 2 | could [adv] be [noun] | 105 |
|
| 3 | [modal v] well be [noun] | 95 |
|
| 4 | could well [be] [noun] | 13 |
|
| 5 | could well be [noun] | 13 |
|
