| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [art] [adj] | 2901 |
|
| 2 | [vb infin] [pron] [art] [adj] | 1588 |
|
| 3 | could [vb infin] [pron] [adj] | 528 |
|
| 4 | could [vb infin] [pron] [art] | 431 |
|
