| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [noun] | 417 |
|
| 2 | have been [v-ing] in | 152 |
|
| 3 | been [v-ing] [noun] in | 121 |
|
| 4 | have been [noun] in | 83 |
|
