| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but could not [verb] his | 5 |
|
| 2 | but could [adv] [verb] his | 5 |
|
| 3 | but could [adv] [vb infin] his | 5 |
|
| 4 | but could [not/n't] [verb] his | 5 |
|
