| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] [pron] [verb] [pers pn] | 134 |
|
| 2 | could [verb] [pron] [verb] [pers pn] | 117 |
|
| 3 | could have [verb] [pron] [verb] | 83 |
|
| 4 | could have [verb] [verb] [pers pn] | 18 |
|
| 5 | could have [verb] [pron] [pers pn] | 15 |
|
