| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has been [v-ing] [prep] | 557 |
|
| 2 | and [noun] has been [v-ing] | 22 |
|
| 3 | and has been [v-ing] [prep] | 18 |
|
| 4 | and [noun] has been [prep] | 9 |
|
