| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system of [noun pl] [prep] | 86 |
|
| 2 | system of [noun pl] for | 24 |
|
| 3 | system of [noun pl] for | 24 |
|
| 4 | system of [noun pl] of | 16 |
|
| 5 | system of [noun pl] of | 16 |
|
| 6 | system of [noun pl] in | 16 |
|
| 7 | system of [noun pl] in | 16 |
|
| 8 | system of [noun pl] to | 7 |
|
| 9 | system of [noun pl] to | 7 |
|
| 10 | system of [noun pl] on | 5 |
|
| 11 | system of [noun pl] on | 5 |
|
