| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [art] [noun pl] | 937 |
|
| 2 | could [vb infin] [art] [noun pl] | 926 |
|
| 3 | could have [art] [noun] | 407 |
|
| 4 | [vb mod] have [art] [noun pl] | 263 |
|
| 5 | [modal v] have [art] [noun pl] | 263 |
|
| 6 | could have [art] [noun pl] | 10 |
|
| 7 | could have [art] [noun pl] | 10 |
|
