| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a | 31510 |
|
| 2 | [pers pn] [prep] a | 22428 |
|
| 3 | [v-ing] [pers pn] [prep] | 16236 |
|
| 4 | [v-ing] [pers pn] a | 1879 |
|
