| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [pron] [vb mod] [vb infin] | 4618 |
|
| 2 | [prep] [Wh det] [pron] [vb mod] [verb] | 3181 |
|
| 3 | [prep] [Wh det] [pron] [modal v] [vb infin] | 3143 |
|
