| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] be [vb pp] [prep] | 4412 |
|
| 2 | [pron] [modal v] be [vb pp] for | 970 |
|
| 3 | [Wh det] [modal v] be [verb] for | 272 |
|
| 4 | [Wh det] [modal v] [be] [vb pp] for | 267 |
|
