| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [prep] [adj] | 244 |
|
| 2 | has been [verb] [prep] this | 215 |
|
| 3 | [verb] been [v-ing] [prep] this | 136 |
|
| 4 | have been [v-ing] [prep] this | 136 |
|
| 5 | [vb -s] been [v-ing] [prep] this | 27 |
|
| 6 | has be [v-ing] [prep] this | 19 |
|
| 7 | has [be] [v-ing] [prep] this | 19 |
|
| 8 | has [been] [v-ing] [prep] this | 19 |
|
