| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [modal v] [vb infin] [pos pn] [noun] | 312 |
|
| 2 | [modal v] [vb infin] for [pos pn] [noun] | 288 |
|
| 3 | [Wh pn] [modal v] [vb infin] for [noun] | 25 |
|
| 4 | [Wh pn] [modal v] [vb infin] for [pos pn] | 6 |
|
