| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] understand [adv] [noun] | 26 |
|
| 2 | could [adv] understand [Wh adv] [noun] | 26 |
|
| 3 | could [adv] understand [adv] [noun] | 26 |
|
| 4 | could [adv] understand why [noun] | 24 |
|
| 5 | could [adv] understand why [noun] | 24 |
|
| 6 | could not understand [adv] [noun] | 18 |
|
| 7 | could [not/n't] understand [adv] [noun] | 18 |
|
| 8 | could [adv] understand [adv] [noun prp] | 16 |
|
| 9 | could not understand [adv] [noun] | 11 |
|
| 10 | could [adv] understand [adv] [noun] | 8 |
|
| 11 | could n't understand [adv] [noun] | 7 |
|
| 12 | could never understand [adv] [noun] | 6 |
|
| 13 | could never understand [adv] [noun] | 6 |
|
