| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [vb mod] [vb infin] [art] | 1633 |
|
| 2 | system [vb mod] [vb infin] [art] | 172 |
|
| 3 | system that [vb mod] [vb infin] | 93 |
|
