| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] this | 80 |
|
| 2 | have [been] [v-ing] this | 43 |
|
| 3 | have [been] [vb pp] this | 37 |
|
| 4 | have [been] doing this | 9 |
|
| 5 | have [been] do this | 9 |
|
