| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been using [noun pl] | 14 |
|
| 2 | have [been] using [noun pl] | 14 |
|
| 3 | [vb base] [been] using [noun pl] | 9 |
|
| 4 | have [been] using [noun pl] | 7 |
|
