| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] system is [verb] | 241 |
|
| 2 | [noun] system is [vb pp] | 195 |
|
| 3 | [noun] system is [v-ing] | 42 |
|
| 4 | [noun] system is use | 26 |
|
| 5 | [noun] system is used | 25 |
|
| 6 | [noun] system is [to-vb] | 24 |
|
| 7 | [noun prp] system is [verb] | 12 |
|
| 8 | [noun] system is designed | 12 |
|
| 9 | [noun] system is design | 12 |
|
| 10 | education system is [verb] | 11 |
|
| 11 | education system is [verb] | 11 |
|
| 12 | operating system is [verb] | 8 |
|
| 13 | operating system is [verb] | 8 |
|
| 14 | information system is [verb] | 7 |
|
| 15 | information system is [verb] | 7 |
|
| 16 | [noun] system is based | 7 |
|
| 17 | [noun] system is set | 7 |
|
| 18 | [noun] system is set | 7 |
|
| 19 | [noun] system is base | 7 |
|
| 20 | [noun] system is go | 6 |
|
| 21 | management system is [verb] | 6 |
|
| 22 | [noun] system is show | 6 |
|
| 23 | expert system is [verb] | 6 |
|
| 24 | [noun] system is shown | 6 |
|
| 25 | management system is [verb] | 6 |
|
| 26 | expert system is [verb] | 6 |
|
| 27 | [noun] system is run | 6 |
|
| 28 | [noun] system is operate | 6 |
|
| 29 | [noun] system is work | 6 |
|
| 30 | [noun pl] system is [verb] | 6 |
|
