| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in a [noun] [pron] | 3387 |
|
| 2 | a [noun] system [pron] | 115 |
|
| 3 | in a [noun] system | 85 |
|
| 4 | in a system [pron] | 14 |
|
| 5 | in [noun] system [pron] | 5 |
|
