| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [pron] [noun pl] | 435 |
|
| 2 | [adv] [vb infin] [pron] [noun pl] off | 66 |
|
| 3 | could [adv] [vb infin] [pron] off | 7 |
|
