| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] | 1115 |
|
| 2 | [verb] been [v-ing] since | 145 |
|
| 3 | have been [v-ing] since | 145 |
|
| 4 | have been [verb] since | 132 |
|
| 5 | [vb base] been [v-ing] since | 32 |
|
| 6 | have [been] [v-ing] since | 23 |
|
| 7 | have [be] [v-ing] since | 23 |
|
| 8 | have be [v-ing] since | 23 |
|
