| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been using [noun pl] [prep] | 9 |
|
| 2 | have [been] using [noun pl] [prep] | 9 |
|
| 3 | have [been] using [noun pl] for | 5 |
|
| 4 | have [been] using [noun pl] for | 5 |
|
