| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [conj] [pron] could have | 106 |
|
| 2 | [adj] [conj] we could [vb infin] | 82 |
|
| 3 | [adj] [conj] we could [verb] | 82 |
|
| 4 | [adj] [conj] we [modal v] have | 70 |
|
| 5 | [adj] [conj] we could have | 18 |
|
| 6 | [adj] [conj] we could have | 15 |
|
