| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] | 37436 |
|
| 2 | has been [v-ing] | 3555 |
|
| 3 | have been reading | 153 |
|
| 4 | [verb] been reading | 153 |
|
| 5 | has been read | 43 |
|
| 6 | [vb -s] been reading | 14 |
|
| 7 | has be reading | 11 |
|
| 8 | has [been] reading | 11 |
|
| 9 | has [be] reading | 11 |
|
