| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun sg] | 17611 |
|
| 2 | 's [prep] a [noun sg] | 825 |
|
| 3 | 's [v-ing] a [noun sg] | 503 |
|
| 4 | 's [v-ing] [prep] [noun sg] | 300 |
|
| 5 | 's [v-ing] [prep] a | 235 |
|
