| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] [coord] [is] | 74 |
|
| 2 | has [vb pp] [coord] [is] [v-ing] | 23 |
|
| 3 | been [vb pp] [coord] [is] [v-ing] | 12 |
|
| 4 | has been [vb pp] [coord] [v-ing] | 5 |
|
