| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [prep] | 1064 |
|
| 2 | been [v-ing] [noun pl] [prep] | 403 |
|
| 3 | has been [v-ing] [noun pl] | 153 |
|
| 4 | has been [noun pl] [prep] | 5 |
|
