| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] for some time | 22 |
|
| 2 | have been [v-ing] for some time | 14 |
|
| 3 | has been [v-ing] for some time | 12 |
|
| 4 | have been saying for some time | 5 |
|
