| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] [pron] could [vb infin] | 1928 |
|
| 2 | so [conj] [pron] could [vb infin] | 941 |
|
| 3 | so [adv] [conj] [pron] could | 109 |
|
| 4 | so [adv] [pron] could [vb infin] | 37 |
|
