| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system be that [pron] [verb] | 24 |
|
| 2 | system [be] that [pers pn] [verb] | 23 |
|
| 3 | system [be] that it [verb] | 20 |
|
| 4 | system [be] that it [verb] | 20 |
|
| 5 | system is that [pron] [verb] | 19 |
|
| 6 | system [is] that [pron] [verb] | 19 |
|
| 7 | system [be] that [pron] [vb -s] | 17 |
|
