| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [prep] | 40005 |
|
| 2 | [v-ing] [prep] next | 79 |
|
| 3 | [prep] [v-ing] next | 40 |
|
| 4 | [prep] [prep] next | 9 |
|
