| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [noun prp] [modal v] [verb] | 450 |
|
| 2 | by [Wh det] [noun prp] [verb] | 80 |
|
| 3 | by [noun prp] [modal v] [verb] | 56 |
|
| 4 | by [Wh det] [noun prp] [modal v] | 15 |
|
| 5 | by [Wh det] [modal v] [verb] | 7 |
|
