| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] be used [prep] | 288 |
|
| 2 | [Wh det] [modal v] be used [prep] | 288 |
|
| 3 | [Wh det] [modal v] be [verb] at | 186 |
|
| 4 | [Wh det] [modal v] be [vb pp] at | 180 |
|
| 5 | [pron] [modal v] be used at | 16 |
|
| 6 | [Wh det] [modal v] [be] used at | 9 |
|
| 7 | [Wh det] [modal v] [be] used at | 9 |
|
| 8 | [Wh det] [modal v] be used at | 9 |
|
| 9 | [Wh det] [modal v] be use at | 9 |
|
| 10 | [Wh det] [modal v] be used at | 9 |
|
