| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun pl] could [adv] [verb] | 354 |
|
| 2 | [noun pl] could [adv] have [verb] | 88 |
|
| 3 | the [noun pl] [adv] have [verb] | 85 |
|
| 4 | the [noun pl] could have [verb] | 45 |
|
| 5 | the [noun pl] could [adv] have | 43 |
|
