| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [adv] a [noun sg] | 3781 |
|
| 2 | system [conj] a [noun sg] | 37 |
|
| 3 | system [conj] [adv] a | 8 |
|
| 4 | system [conj] [adv] [noun sg] | 5 |
|
