| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [pron] [modal v] [vb infin] | 3143 |
|
| 2 | [prep] [Wh det] [pron] [modal v] [vb infin] | 3142 |
|
| 3 | by [pron] [pron] [modal v] [vb infin] | 126 |
|
| 4 | by [Wh det] [pron] [modal v] [vb infin] | 108 |
|
| 5 | by [Wh det] [pron] [modal v] [verb] | 108 |
|
