| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [pers pn] [vb infin] [to-vb] [det] | 171 |
|
| 2 | could [pers pn] [vb infin] [verb] [det] | 44 |
|
| 3 | could [pers pn] [vb infin] [to-vb] [adj] | 17 |
|
| 4 | could [pron] [vb infin] [to-vb] [det] | 12 |
|
| 5 | could [pers pn] [verb] [to-vb] [det] | 11 |
|
