| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun sg] for [noun] [noun] | 3850 |
|
| 2 | [noun sg] system for [noun] [noun] | 63 |
|
| 3 | [art] [noun sg] system for [noun] | 45 |
|
| 4 | [art] [noun sg] system [noun] [noun] | 24 |
|
