| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system [vb mod] [vb infin] [prep] [adj] | 16 |
|
| 2 | systems [vb mod] [verb] [prep] [adj] | 10 |
|
| 3 | system [vb mod] [verb] in [adj] | 7 |
|
| 4 | system [vb mod] [verb] [prep] [adj] | 6 |
|
| 5 | system can [verb] [prep] [adj] | 5 |
|
