| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] at the [noun sg] | 34 |
|
| 2 | had be [v-ing] at the [noun sg] | 29 |
|
| 3 | 'd be [v-ing] at the [noun sg] | 5 |
|
