| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a | 8330 |
|
| 2 | [v-ing] at a | 1677 |
|
| 3 | sitting [prep] a | 766 |
|
| 4 | sitting [prep] a | 766 |
|
| 5 | sitting at [art] | 324 |
|
| 6 | sit at a | 202 |
|
| 7 | sitting at a | 105 |
|
