| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [noun sg] [noun] | 4367 |
|
| 2 | [prep] a [noun sg] system | 479 |
|
| 3 | [prep] a [noun sg] system | 479 |
|
| 4 | for [art] [noun sg] system | 101 |
|
| 5 | for [art] [noun sg] system | 101 |
|
| 6 | for a [noun sg] system | 36 |
|
| 7 | for a [noun] system | 33 |
|
| 8 | for a [noun sg] system | 29 |
|
