| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [pron] could [vb infin] | 765 |
|
| 2 | [adv] [pron] [pron] could [vb infin] | 56 |
|
| 3 | [adv] [prep] [pron] [pron] could | 34 |
|
| 4 | [adv] [prep] [pron] could [vb infin] | 17 |
|
