| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun sg] | 3830 |
|
| 2 | is [verb] a [noun sg] | 2783 |
|
| 3 | is [verb] at a | 315 |
|
| 4 | is [verb] at [noun sg] | 292 |
|
| 5 | is at a [noun sg] | 126 |
|
