| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] [pron] on the | 10 |
|
| 2 | could [not/n't] [vb infin] [pron] on [art] | 10 |
|
| 3 | could n't [verb] [pron] on [art] | 8 |
|
| 4 | could [not/n't] [verb] [pers pn] on [art] | 6 |
|
