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