| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [art] [noun] | 870 |
|
| 2 | has been [v-ing] [art] [noun] | 318 |
|
| 3 | have been studying [art] [noun] | 20 |
|
| 4 | [verb] been studying [art] [noun] | 20 |
|
| 5 | [vb -s] been studying [art] [noun] | 9 |
|
| 6 | has been studying [art] [noun] | 9 |
|
| 7 | has [be] studying [art] [noun] | 9 |
|
| 8 | has [been] studying [art] [noun] | 9 |
|
| 9 | has been study [art] [noun] | 9 |
|
| 10 | has be studying [art] [noun] | 9 |
|
