| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [pron] could [vb infin] | 35 |
|
| 2 | to [pers pn] could [vb infin] | 20 |
|
| 3 | to [pron] could have | 12 |
|
| 4 | to [Wh det] could [vb infin] | 10 |
|
| 5 | to what could [vb infin] | 8 |
|
| 6 | to what could [vb infin] | 8 |
|
| 7 | to he could [vb infin] | 5 |
|
