| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] [verb] [noun sg] | 1066 |
|
| 2 | factors which [modal v] [verb] | 92 |
|
| 3 | factors which [verb] [noun sg] | 34 |
|
| 4 | factors [modal v] [verb] [noun sg] | 9 |
|
