| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system [subord] it | 80 |
|
| 2 | system [coord] it | 29 |
|
| 3 | system as it | 27 |
|
| 4 | system as it | 27 |
|
| 5 | system and it | 25 |
|
| 6 | system and it | 25 |
|
| 7 | system when it | 16 |
|
| 8 | system when it | 16 |
|
| 9 | system because it | 11 |
|
| 10 | system because it | 11 |
|
| 11 | system [that] it | 9 |
|
| 12 | system that it | 9 |
|
| 13 | system that it | 9 |
|
| 14 | system once it | 5 |
|
| 15 | system once it | 5 |
|
