| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [adv] [v-ing] [prep] | 114 |
|
| 2 | [verb] been [adv] [verb] since | 42 |
|
| 3 | [verb] [be] [adv] [v-ing] since | 8 |
|
| 4 | [verb] [been] [adv] [v-ing] since | 8 |
|
| 5 | [verb] been [adv] [v-ing] since | 8 |
|
| 6 | [verb] be [adv] [v-ing] since | 8 |
|
