| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | factors which [vb base] the | 60 |
|
| 2 | factors which influence [art] | 17 |
|
| 3 | factors which affect [art] | 11 |
|
| 4 | factors which [vb base] a | 8 |
|
| 5 | factors which determine [art] | 6 |
|
