| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [pers pn] could n't | 71 |
|
| 2 | why i could n't | 19 |
|
| 3 | why i could n't | 19 |
|
| 4 | why we could n't | 13 |
|
| 5 | why we could n't | 13 |
|
| 6 | why he could n't | 11 |
|
| 7 | why he could n't | 11 |
|
| 8 | why they could n't | 10 |
|
| 9 | why they could n't | 10 |
|
| 10 | why you could n't | 9 |
|
| 11 | why you could n't | 9 |
|
| 12 | why she could n't | 7 |
|
| 13 | why she could n't | 7 |
|
