| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for [noun] | 270 |
|
| 2 | it have been [v-ing] for | 50 |
|
| 3 | it have been for [noun] | 21 |
|
| 4 | it have been [v-ing] [noun] | 16 |
|
