| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [prep] this | 19 |
|
| 2 | 's been [v-ing] [prep] this | 8 |
|
| 3 | [vb -s] been [v-ing] in this | 7 |
|
| 4 | [vb -s] been working [prep] this | 6 |
|
| 5 | [vb -s] been [v-ing] with this | 5 |
|
| 6 | [vb -s] been [v-ing] on this | 5 |
|
