| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [prep] [art] | 349 |
|
| 2 | been [v-ing] [noun] [prep] [art] | 280 |
|
| 3 | has been [v-ing] [noun] [prep] | 195 |
|
| 4 | has been [noun] [prep] [art] | 120 |
|
