| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system might [vb infin] | 34 |
|
| 2 | system might [verb] | 27 |
|
| 3 | systems might [verb] | 7 |
|
| 4 | system might work | 5 |
|
| 5 | system might work | 5 |
|
