| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could let i know [adv] | 5 |
|
| 2 | could [vb infin] i know [adv] | 5 |
|
| 3 | could [vb infin] i know [adv] | 5 |
|
| 4 | could [vb infin] me know [adv] | 5 |
|
