| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've be [verb] since | 9 |
|
| 2 | 've [be] [v-ing] since | 9 |
|
| 3 | 've been [verb] since | 9 |
|
| 4 | 've [been] [verb] since | 9 |
|
