| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [prep] [noun] | 1487 |
|
| 2 | have been [v-ing] [prep] | 1115 |
|
| 3 | have been [prep] [noun] | 517 |
|
| 4 | have been [v-ing] [noun] | 417 |
|
