| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] at some | 21 |
|
| 2 | [is] [vb pp] at some | 12 |
|
| 3 | [is] [v-ing] at some | 5 |
|
| 4 | [is] look at some | 5 |
|
