| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a | 27354 |
|
| 2 | [prep] a short | 1852 |
|
| 3 | [v-ing] a short | 130 |
|
| 4 | [v-ing] [prep] short | 51 |
|
