| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i have [been] [v-ing] this | 44 |
|
| 2 | i have been [v-ing] this | 44 |
|
| 3 | i 've [been] [v-ing] this | 30 |
|
| 4 | i have [been] doing this | 13 |
|
| 5 | i have [been] [v-ing] this | 10 |
|
