| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] believe [pron] | 507 |
|
| 2 | could [not/n't] [verb] i | 147 |
|
| 3 | could [not/n't] [vb infin] i | 147 |
|
| 4 | [modal v] [not/n't] believe i | 78 |
|
| 5 | could [adv] believe i | 18 |
|
| 6 | could [not/n't] believe i | 16 |
|
