| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] [pron] [noun] | 106 |
|
| 2 | could [adv] [be] [noun] | 105 |
|
| 3 | could [be] [pron] [noun] | 67 |
|
| 4 | could [adv] [be] [pron] | 62 |
|
