| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [adj] [noun sg] | 3835 |
|
| 2 | system [verb] [adj] [noun sg] | 151 |
|
| 3 | system which [verb] [adj] | 73 |
|
| 4 | system which [verb] [noun sg] | 28 |
|
