| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [be] [verb] [prep] | 1334 |
|
| 2 | [indef pn] could [be] [verb] [prep] | 78 |
|
| 3 | [indef pn] could [adv] [verb] [prep] | 43 |
|
| 4 | [indef pn] could [adv] [be] [verb] | 13 |
|
