| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have [art] [noun sg] | 65 |
|
| 2 | they could have [art] [noun sg] | 25 |
|
| 3 | they could [adv] have [art] | 12 |
|
| 4 | they could [adv] have [noun sg] | 6 |
|
| 5 | they [adv] have [art] [noun sg] | 6 |
|
