| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have [art] | 79 |
|
| 2 | they could [adv] have | 71 |
|
| 3 | they could have [art] | 46 |
|
| 4 | they [adv] have [art] | 8 |
|
