| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [pron] could [be] | 469 |
|
| 2 | [pron] could [be] [prep] | 381 |
|
| 3 | [noun pl] could [be] [prep] | 106 |
|
| 4 | [noun pl] [pron] could [prep] | 22 |
|
