| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [noun] [noun] | 76 |
|
| 2 | has [adv] been [v-ing] [noun] | 30 |
|
| 3 | [adv] been [v-ing] [noun] [noun] | 17 |
|
| 4 | has [adv] been [noun] [noun] | 10 |
|
