| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] which [modal v] [verb] to | 260 |
|
| 2 | [noun] which [modal v] contribute to | 23 |
|
| 3 | [noun sg] [pron] [modal v] contribute to | 12 |
|
| 4 | [noun sg] which [modal v] contribute [prep] | 12 |
|
| 5 | [noun sg] which [modal v] contribute to | 11 |
|
| 6 | [noun sg] [Wh det] [modal v] contribute to | 11 |
|
