| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun sg] | 3830 |
|
| 2 | are [verb] a [noun sg] | 1219 |
|
| 3 | are [verb] at [noun sg] | 204 |
|
| 4 | are [verb] at a | 180 |
|
| 5 | are at a [noun sg] | 58 |
|
