| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has been [v-ing] [prep] | 557 |
|
| 2 | [coord] [noun] has been [v-ing] | 33 |
|
| 3 | [coord] has been [v-ing] [prep] | 21 |
|
| 4 | [coord] [noun] has been [prep] | 10 |
|
