| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a | 27354 |
|
| 2 | [prep] a [num] | 8224 |
|
| 3 | [v-ing] [prep] [num] | 7673 |
|
| 4 | [v-ing] a [num] | 774 |
|
