| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [adj] | 1539 |
|
| 2 | have been [v-ing] since | 145 |
|
| 3 | been [v-ing] since [adj] | 54 |
|
| 4 | have been since [adj] | 15 |
|
