| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system [is] [art] | 238 |
|
| 2 | system is [art] | 236 |
|
| 3 | system [is] a | 134 |
|
| 4 | system [is] a | 109 |
|
| 5 | system [is] the | 101 |
|
| 6 | system [is] the | 101 |
|
| 7 | system [is] an | 25 |
|
