| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i have been [v-ing] [prep] | 819 |
|
| 2 | have been [v-ing] [prep] this | 136 |
|
| 3 | i have been [v-ing] this | 44 |
|
| 4 | i have been [prep] this | 30 |
|
