| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] understand [adv] | 162 |
|
| 2 | [adv] understand [adv] [noun] | 112 |
|
| 3 | could [adv] understand [noun] | 15 |
|
| 4 | could [adv] [adv] [noun] | 9 |
|
