| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] have been [v-ing] for | 16 |
|
| 2 | [det] [vb past] been [v-ing] for | 7 |
|
| 3 | [det] had been [v-ing] for | 7 |
|
| 4 | [det] [vb -s] been [v-ing] for | 5 |
|
| 5 | [det] has been [v-ing] for | 5 |
|
| 6 | many [verb] been [v-ing] for | 5 |
|
