| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun] has been [verb] | 5153 |
|
| 2 | [noun] [noun] have been [v-ing] | 1547 |
|
| 3 | [noun] [noun] [verb] been [v-ing] | 1547 |
|
| 4 | [noun] [noun] [vb -s] been [v-ing] | 687 |
|
| 5 | [noun] [noun] has [be] [v-ing] | 649 |
|
| 6 | [noun] [noun] has be [v-ing] | 649 |
|
| 7 | [noun] [noun] has [been] [v-ing] | 648 |
|
