| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [adv] [vb infin] [prep] | 172 |
|
| 2 | [modal v] [not/n't] really [vb infin] [prep] | 90 |
|
| 3 | could [adv] really [vb infin] [prep] | 31 |
|
| 4 | could [not/n't] really [verb] [prep] | 27 |
|
| 5 | could [not/n't] really [vb infin] [prep] | 27 |
|
