| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [det] [noun] | 1239 |
|
| 2 | have [been] using [noun] | 46 |
|
| 3 | have [been] using [det] | 26 |
|
| 4 | [been] using [det] [noun] | 13 |
|
