| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] has been [verb] | 2890 |
|
| 2 | [noun prp] [verb] been [v-ing] | 1988 |
|
| 3 | [noun prp] have been [v-ing] | 1988 |
|
| 4 | [noun] has been [v-ing] | 1961 |
|
| 5 | [noun prp] [vb -s] been [v-ing] | 890 |
|
| 6 | [noun prp] has be [v-ing] | 776 |
|
| 7 | [noun prp] has [be] [v-ing] | 776 |
|
| 8 | [noun prp] has [been] [v-ing] | 775 |
|
