| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [noun] [conj] [is] | 1952 |
|
| 2 | [noun sg] [noun] system [conj] | 236 |
|
| 3 | [noun sg] [noun] system [is] | 134 |
|
| 4 | [noun] system [conj] [is] | 56 |
|
| 5 | [noun sg] system [conj] [is] | 54 |
|
