| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [adv] | 593 |
|
| 2 | been [v-ing] [adv] since | 76 |
|
| 3 | have been [v-ing] since | 23 |
|
| 4 | have been [adv] since | 18 |
|
