| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at an [noun sg] | 63 |
|
| 2 | at an alarming [noun sg] | 46 |
|
| 3 | [v-ing] at an alarming | 12 |
|
| 4 | [v-ing] an alarming [noun sg] | 5 |
|
