| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [v-ing] [prep] a | 702 |
|
| 2 | in [noun] [verb] [prep] a | 508 |
|
| 3 | in [noun] [v-ing] [prep] [art] | 326 |
|
| 4 | in [noun] [v-ing] [prep] [art] | 326 |
|
| 5 | in [noun] [v-ing] [prep] a | 94 |
|
