| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for [verb] and | 926 |
|
| 2 | system [prep] [verb] and | 35 |
|
| 3 | system [prep] [verb] and | 35 |
|
| 4 | system for [verb] [conj] | 26 |
|
| 5 | system for [verb] [coord] | 22 |
|
| 6 | system for [verb] and | 20 |
|
| 7 | system for [verb] and | 20 |
|
