| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] system be the | 16 |
|
| 2 | [prep] [det] system be the | 10 |
|
| 3 | [prep] this system be the | 10 |
|
| 4 | of [det] system be the | 9 |
|
| 5 | [prep] [det] system is the | 9 |
|
| 6 | of [det] system be the | 9 |
|
| 7 | [prep] [det] systems be the | 6 |
|
| 8 | [prep] [det] system was the | 5 |
|
