| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for [noun] | 270 |
|
| 2 | they have been [v-ing] for | 84 |
|
| 3 | they have been [v-ing] [noun] | 82 |
|
| 4 | they have been for [noun] | 14 |
|
