| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] could [be] | 392 |
|
| 2 | [pron] could [be] [prep] | 381 |
|
| 3 | [adv] [pron] could [prep] | 65 |
|
| 4 | [adv] could [be] [prep] | 9 |
|
