| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] a | 31981 |
|
| 2 | [v-ing] [prep] a | 31501 |
|
| 3 | [v-ing] [pron] [prep] | 21913 |
|
| 4 | [v-ing] [pron] a | 2238 |
|
