| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for some [noun] | 14 |
|
| 2 | have been [v-ing] for some [noun sg] | 14 |
|
| 3 | have been [v-ing] for some time | 14 |
|
| 4 | have been [v-ing] for some time | 14 |
|
