| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [is] [adj] [conj] it | 591 |
|
| 2 | [noun sg] [is] [adj] [conj] it | 507 |
|
| 3 | system [is] [adj] [conj] [pron] | 15 |
|
| 4 | system [is] [adj] [conj] it | 6 |
|
| 5 | system [be] [adj] [conj] it | 5 |
|
