| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] is at | 58 |
|
| 2 | [vb pp] [is] at | 20 |
|
| 3 | [vb base] [is] at | 14 |
|
| 4 | [v-ing] [is] at | 10 |
|
| 5 | [vb -s] [is] at | 7 |
|
| 6 | [to-vb] [is] at | 5 |
|
