| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [to-vb] [v-ing] at | 21 |
|
| 2 | [noun sg] [to-vb] [vb pp] at | 10 |
|
| 3 | [noun sg] [to-vb] [to-vb] at | 9 |
|
