| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] n't [verb] out what | 42 |
|
| 2 | [vb mod] n't [verb] out what | 42 |
|
| 3 | could [adv] [verb] out what | 38 |
|
| 4 | could n't [verb] out [pron] | 36 |
|
| 5 | could [not/n't] [verb] out what | 31 |
|
| 6 | could not [verb] out what | 31 |
|
| 7 | could n't [verb] [adv] what | 30 |
|
| 8 | could n't [verb] out [Wh det] | 26 |
|
| 9 | could n't [verb] out what | 22 |
|
| 10 | could n't [verb] out what | 22 |
|
