| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] system [verb] a [noun] | 43 |
|
| 2 | [noun] system [verb] a [noun sg] | 42 |
|
| 3 | [noun] system [vb -s] a [noun] | 21 |
|
| 4 | [noun] system [vb past] a [noun] | 9 |
|
| 5 | [noun] system [v-ing] a [noun] | 7 |
|
| 6 | [noun] system have a [noun] | 7 |
|
| 7 | [noun] system use a [noun] | 6 |
|
| 8 | [noun] system has a [noun] | 6 |
|
| 9 | [noun] system [to-vb] a [noun] | 6 |
|
| 10 | [noun] system include a [noun] | 5 |
|
