| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] could [verb] [pron] | 1771 |
|
| 2 | [subord] [pron] [verb] [pron] for | 257 |
|
| 3 | [pron] could [verb] [pron] for | 118 |
|
| 4 | [subord] [pron] could [verb] for | 85 |
|
