| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [adv] [v-ing] | 437 |
|
| 2 | [verb] been [v-ing] since | 145 |
|
| 3 | [verb] been [adv] since | 53 |
|
| 4 | been [adv] [v-ing] since | 9 |
|
