| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of a system [conj] | 25 |
|
| 2 | of a system that | 14 |
|
| 3 | of a system [that] | 14 |
|
| 4 | of a system that | 14 |
|
| 5 | of a system [coord] | 8 |
|
| 6 | of a system and | 6 |
|
| 7 | of a system and | 6 |
|
