| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun sg] [verb] at a | 7 |
|
| 2 | [is] a [noun sg] [verb] at a | 6 |
|
| 3 | is a [noun sg] [verb] at a | 6 |
|
| 4 | [be] an [noun sg] [verb] at a | 5 |
|
