| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [adv] [prep] a | 137 |
|
| 2 | sitting [adv] [prep] a | 62 |
|
| 3 | were sitting [adv] [prep] | 30 |
|
| 4 | were sitting [prep] a | 26 |
|
