| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [noun] for | 39572 |
|
| 2 | [noun sg] [noun sg] for | 27468 |
|
| 3 | [noun sg] system [prep] | 2208 |
|
| 4 | [noun sg] system [prep] | 2208 |
|
| 5 | [noun sg] system for | 654 |
|
| 6 | [noun] system for | 516 |
|
| 7 | [noun sg] system for | 484 |
|
