| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [pron] [prep] | 279 |
|
| 2 | [adv] [verb] for [pron] [prep] | 177 |
|
| 3 | could [adv] [verb] for [pron] | 29 |
|
| 4 | could [verb] for [pron] [prep] | 6 |
|
