| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] system [vb mod] [vb infin] | 322 |
|
| 2 | [adj] that [vb mod] [vb infin] | 192 |
|
| 3 | system that [vb mod] [vb infin] | 93 |
|
| 4 | [adj] system that [vb mod] | 40 |
|
