| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system that [modal v] [verb] | 94 |
|
| 2 | system that [modal v] [vb infin] | 93 |
|
| 3 | [noun] that [modal v] run | 61 |
|
| 4 | system that [modal v] run | 5 |
|
| 5 | system [conj] [modal v] run | 5 |
|
