| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [verb] [art] | 3013 |
|
| 2 | is [verb] at [art] | 1224 |
|
| 3 | is [vb pp] at [art] | 871 |
|
| 4 | [vb pp] [verb] at [art] | 459 |
|
| 5 | is [vb pp] [verb] at | 107 |
|
