| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [prep] | 1064 |
|
| 2 | been [v-ing] [prep] some | 112 |
|
| 3 | has been [prep] some | 27 |
|
| 4 | has been [v-ing] some | 20 |
|
