| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [pron] [pron] [vb mod] | 1277 |
|
| 2 | to [pron] [pron] [modal v] | 1277 |
|
| 3 | [prep] [pron] [pron] could | 1214 |
|
| 4 | to [pron] [pron] could | 168 |
|
