| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [pron] [prep] | 14161 |
|
| 2 | [Wh pn] [modal v] [vb infin] [pron] | 1638 |
|
| 3 | [Wh pn] [modal v] [vb infin] [prep] | 1158 |
|
