| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] this [prep] | 35 |
|
| 2 | been [v-ing] this for | 23 |
|
| 3 | been [v-ing] this for | 23 |
|
| 4 | been doing this [prep] | 20 |
|
