| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for [v-ing] [art] | 4870 |
|
| 2 | [noun sg] for [v-ing] [art] | 3253 |
|
| 3 | system [prep] [v-ing] [art] | 122 |
|
| 4 | system [prep] [v-ing] [art] | 122 |
|
| 5 | system for [v-ing] [art] | 61 |
|
| 6 | system for [verb] [art] | 53 |
|
| 7 | system for [v-ing] [art] | 53 |
|
