| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have be [verb] [prep] | 541 |
|
| 2 | could have be [v-ing] [prep] | 31 |
|
| 3 | [modal v] have be talking [prep] | 13 |
|
| 4 | could have be talk [prep] | 6 |
|
| 5 | could have [be] talking [prep] | 6 |
|
| 6 | could [verb] be talking [prep] | 6 |
|
