| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system was [adv] | 136 |
|
| 2 | system was not | 41 |
|
| 3 | system was [not/n't] | 41 |
|
| 4 | system was not | 39 |
|
| 5 | system was also | 12 |
|
| 6 | system was also | 12 |
|
| 7 | system was still | 6 |
|
| 8 | system was still | 6 |
|
