| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [adv] [be] | 882 |
|
| 2 | it could [adv] [be] | 511 |
|
| 3 | it [modal v] never [be] | 173 |
|
| 4 | it [vb mod] never [be] | 173 |
|
| 5 | [pron] could never [be] | 124 |
|
| 6 | it could never [be] | 22 |
|
| 7 | it could never [be] | 22 |
|
