| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] i [adv] | 1015 |
|
| 2 | could [pron] [adv] | 734 |
|
| 3 | could [pers pn] [adv] | 692 |
|
| 4 | could i [adv] | 208 |
|
| 5 | could i [adv] | 193 |
|
