| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [v-ing] in this [noun] | 7 |
|
| 2 | [vb -s] been [v-ing] in this [noun] | 7 |
|
| 3 | [vb -s] [been] [v-ing] in this [noun sg] | 7 |
|
