| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] for [adj] [noun] | 90 |
|
| 2 | have been [v-ing] for several [noun] | 24 |
|
| 3 | [verb] been [v-ing] for several [noun] | 24 |
|
| 4 | has been [verb] for several [noun] | 10 |
|
| 5 | [vb -s] been [v-ing] for several [noun] | 6 |
|
| 6 | has been [v-ing] [prep] several [noun] | 6 |
|
| 7 | has been [v-ing] for several [noun] | 6 |
|
| 8 | has be [v-ing] for several [noun] | 6 |
|
| 9 | has been [v-ing] [prep] several [noun] | 6 |
|
| 10 | has [been] [v-ing] for several [noun] | 6 |
|
| 11 | has [be] [v-ing] for several [noun] | 6 |
|
