| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] he [verb] | 64 |
|
| 2 | could n't he [verb] | 61 |
|
| 3 | could [not/n't] he [vb infin] | 60 |
|
| 4 | could [not/n't] he have | 16 |
|
| 5 | could [not/n't] he have | 16 |
|
| 6 | could [not/n't] he see | 9 |
|
| 7 | could [not/n't] he see | 9 |
|
