| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [noun] [be] [conj] it [verb] | 115 |
|
| 2 | [noun sg] system [be] [conj] [pron] [verb] | 10 |
|
| 3 | [noun] system [be] [conj] it [verb] | 9 |
|
