| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | system be that [pron] [verb] | 24 |
|
| 2 | system be [conj] [pers pn] [verb] | 24 |
|
| 3 | system be that [pron] [verb] | 24 |
|
| 4 | system be [that] [pron] [verb] | 24 |
|
| 5 | system be [conj] it [verb] | 21 |
|
| 6 | system be [conj] it [verb] | 21 |
|
| 7 | system is [conj] [pron] [verb] | 20 |
|
| 8 | system be [conj] [pron] [vb -s] | 18 |
|
