| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [adv] have [noun] | 207 |
|
| 2 | we could [adv] have | 126 |
|
| 3 | could [adv] have [noun] | 59 |
|
| 4 | we could have [noun] | 23 |
|
