| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [v-ing] it | 48 |
|
| 2 | have been [v-ing] it | 47 |
|
| 3 | have [been] [v-ing] it | 47 |
|
| 4 | have [be] doing it | 13 |
|
