| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [adv] [vb infin] on | 14 |
|
| 2 | could not [adv] [vb infin] on | 9 |
|
| 3 | could [not/n't] [adv] rely on | 6 |
|
| 4 | could n't [adv] [vb infin] on | 5 |
|
