| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [art] | 12287 |
|
| 2 | [noun sg] could [vb infin] | 9978 |
|
| 3 | [noun sg] [vb infin] [art] | 1351 |
|
| 4 | [noun sg] could [art] | 53 |
|
