| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [verb] [pron] could [vb infin] | 100 |
|
| 2 | [noun pl] [verb] [pron] could [verb] | 100 |
|
| 3 | [noun pl] [verb] [pron] [modal v] have | 95 |
|
| 4 | [noun] [verb] [pron] could have | 66 |
|
| 5 | [noun pl] [verb] [pron] could have | 18 |
|
