| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [coord] [is] [v-ing] | 10 |
|
| 2 | [vb -s] been [vb pp] [coord] [is] [v-ing] | 10 |
|
| 3 | has been [vb pp] [coord] [is] [v-ing] | 10 |
|
| 4 | [verb] been [vb pp] [coord] [is] [v-ing] | 10 |
|
