| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [v-ing] for some [noun sg] | 15 |
|
| 2 | has been [v-ing] for some [noun] | 15 |
|
| 3 | [vb -s] been [v-ing] for some time | 15 |
|
| 4 | [vb -s] been [v-ing] for some time | 15 |
|
