| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] a [adj] [noun sg] | 25631 |
|
| 2 | at a [adj] [noun sg] | 8042 |
|
| 3 | [v-ing] at a [noun sg] | 911 |
|
| 4 | [v-ing] at a [adj] | 558 |
|
| 5 | [v-ing] at [adj] [noun sg] | 304 |
|
