| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i have been [v-ing] [prep] | 818 |
|
| 2 | have been [v-ing] [prep] [num] | 287 |
|
| 3 | i have been [prep] [num] | 28 |
|
| 4 | i have been [v-ing] [num] | 18 |
|
