| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] system [conj] [pron] [verb] | 42 |
|
| 2 | system [be] [conj] [pron] [verb] | 25 |
|
| 3 | [art] system [be] [conj] [pron] | 13 |
|
