| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system that will [vb infin] | 27 |
|
| 2 | system that can [vb infin] | 23 |
|
| 3 | system that would [vb infin] | 19 |
|
| 4 | system that [vb mod] enable | 7 |
|
| 5 | system that [vb mod] take | 5 |
|
