| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of the [adj] system [conj] [prep] | 11 |
|
| 2 | of the [adj] system [conj] [prep] | 11 |
|
| 3 | of the [adj] system [coord] [prep] | 10 |
|
| 4 | of the [adj] system and [prep] | 8 |
|
| 5 | of the [adj] system and [prep] | 8 |
|
