| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] [pers pn] could [vb infin] | 103 |
|
| 2 | [adv] [prep] [pers pn] [pers pn] could | 21 |
|
| 3 | [adv] [prep] [pers pn] could [vb infin] | 17 |
|
