| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and have been [v-ing] for | 19 |
|
| 2 | [coord] had been [v-ing] for | 8 |
|
| 3 | [coord] has been [v-ing] for | 6 |
|
| 4 | [coord] have been [v-ing] for | 5 |
|
