| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] | 19916 |
|
| 2 | have been [v-ing] | 19902 |
|
| 3 | to have been [verb] | 2875 |
|
| 4 | to have be [v-ing] | 195 |
|
| 5 | to have [be] [v-ing] | 195 |
|
| 6 | to have [been] [v-ing] | 194 |
|
| 7 | [to-vb] been [v-ing] | 194 |
|
