| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] | 6060 |
|
| 2 | have been [num] [prep] | 649 |
|
| 3 | have been [v-ing] [num] | 102 |
|
| 4 | been [v-ing] [num] [prep] | 12 |
|
