| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] for some | 16 |
|
| 2 | has been [v-ing] for several | 6 |
|
| 3 | has been running for [det] | 6 |
|
| 4 | has been [v-ing] for many | 5 |
|
