| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] at a | 327 |
|
| 2 | [is] [to-vb] [prep] a | 245 |
|
| 3 | [is] [to-vb] at [art] | 94 |
|
| 4 | [is] [to-vb] at [art] | 94 |
|
| 5 | [be] [to-vb] at a | 20 |
|
| 6 | [is] [to-vb] at a | 10 |
|
