| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [verb] at | 1252 |
|
| 2 | a [noun sg] [verb] an | 623 |
|
| 3 | [noun sg] [verb] at an | 166 |
|
| 4 | a [noun sg] at an | 85 |
|
