| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] this [prep] | 31 |
|
| 2 | have been [v-ing] this for | 21 |
|
| 3 | have been [v-ing] this for | 21 |
|
| 4 | have been doing this [prep] | 17 |
|
| 5 | have been [v-ing] this [prep] | 12 |
|
| 6 | 've been [v-ing] this [prep] | 10 |
|
