| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] [pers pn] could [vb infin] [adv] | 8 |
|
| 2 | to [pers pn] [pron] could [vb infin] [adv] | 5 |
|
| 3 | [prep] [pers pn] [pron] could [vb infin] [adv prt] | 5 |
|
| 4 | [prep] [pers pn] [pron] could [vb infin] [adv] | 5 |
|
