| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] since | 495 |
|
| 2 | have [been] know [prep] | 171 |
|
| 3 | [verb] [been] know since | 10 |
|
| 4 | have [be] know since | 10 |
|
