| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] has been developing | 11 |
|
| 2 | [pers pn] has [been] developing | 6 |
|
| 3 | it has [been] developing | 5 |
|
| 4 | it has [been] developing | 5 |
|
