| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] | 37436 |
|
| 2 | [verb] been [v-ing] | 19916 |
|
| 3 | have been [v-ing] | 19902 |
|
| 4 | [vb -s] been [v-ing] | 4747 |
|
| 5 | has be [v-ing] | 3558 |
|
| 6 | has [be] [v-ing] | 3558 |
|
| 7 | has [been] [v-ing] | 3555 |
|
