| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could n't [vb infin] why the | 6 |
|
| 2 | [pers pn] could n't [vb infin] why the | 6 |
|
| 3 | could n't [vb infin] why the [noun] | 6 |
|
| 4 | could n't [vb infin] why the [noun sg] | 5 |
|
