| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun] | 4420 |
|
| 2 | [am/are] [verb] a [noun] | 2680 |
|
| 3 | [am/are] [verb] at [noun] | 659 |
|
| 4 | [am/are] [verb] at a | 270 |
|
| 5 | [am/are] at a [noun] | 113 |
|
