| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] work [prep] | 1221 |
|
| 2 | [v-ing] [prep] [prep] | 1104 |
|
| 3 | [v-ing] work [prep] | 218 |
|
| 4 | [v-ing] [prep] work | 73 |
|
