| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [pron] [adv] | 906 |
|
| 2 | could [pron] [adv] | 734 |
|
| 3 | [modal v] [pron] please | 439 |
|
| 4 | could [pron] please | 119 |
|
