| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun pl] [noun sg] | 3655 |
|
| 2 | a [noun sg] system | 1295 |
|
| 3 | [noun pl] [noun sg] system | 73 |
|
| 4 | a [noun pl] system | 43 |
|
