| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system [is] base on the | 9 |
|
| 2 | system [is] based [prep] the | 9 |
|
| 3 | system is base [prep] the | 9 |
|
| 4 | system [is] base on the | 9 |
|
| 5 | system [is] base [prep] the | 9 |
|
