| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [pron] [adv] | 906 |
|
| 2 | [pron] [adv] ask | 158 |
|
| 3 | could [pron] ask | 104 |
|
| 4 | could [adv] ask | 95 |
|
