| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] cause [noun] | 99 |
|
| 2 | [Wh det] [modal v] cause [noun pl] | 31 |
|
| 3 | [pron] [modal v] cause problems | 27 |
|
| 4 | [Wh det] [modal v] [verb] problems | 24 |
|
| 5 | [Wh det] [modal v] [vb infin] problems | 24 |
|
| 6 | [Wh det] [modal v] cause problem | 16 |
|
| 7 | [Wh det] [modal v] cause problems | 16 |
|
