| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [verb] been [v-ing] a | 137 |
|
| 2 | i [verb] been [v-ing] at | 61 |
|
| 3 | [verb] been [v-ing] at a | 43 |
|
| 4 | i [verb] [v-ing] at a | 5 |
|
