| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] for some | 40 |
|
| 2 | has been [v-ing] for some | 16 |
|
| 3 | have been [v-ing] for some | 14 |
|
| 4 | have been running for some | 5 |
|
| 5 | have been saying for some | 5 |
|
