| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun sg] | 3830 |
|
| 2 | been [verb] a [noun sg] | 1151 |
|
| 3 | been [verb] at [noun sg] | 197 |
|
| 4 | been [verb] at a | 171 |
|
| 5 | been at a [noun sg] | 28 |
|
