| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [vb base] been [v-ing] this for | 6 |
|
| 2 | we have been [v-ing] this for | 6 |
|
| 3 | we [verb] been [v-ing] this for | 6 |
|
| 4 | we [verb] been [v-ing] this for | 5 |
|
| 5 | we [verb] been doing this for | 5 |
|
