| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i have been [v-ing] this for | 7 |
|
| 2 | i have been [v-ing] this for | 7 |
|
| 3 | i have been [v-ing] this [prep] | 7 |
|
| 4 | i have been doing this [prep] | 5 |
|
