| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [adv] have [art] | 470 |
|
| 2 | they could [adv] have | 171 |
|
| 3 | could [adv] have [art] | 136 |
|
| 4 | they could have [art] | 46 |
|
