| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] hear [noun] | 23 |
|
| 2 | could [adv] hear [noun prp] | 10 |
|
| 3 | could [adv] hear [noun sg] | 9 |
|
| 4 | could still hear [noun] | 7 |
|
