| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] has been [v-ing] [prep] | 11 |
|
| 2 | [Wh det] he has [been] [v-ing] [prep] | 8 |
|
| 3 | which [pers pn] has [been] [v-ing] [prep] | 8 |
|
| 4 | [Wh det] [pers pn] has [been] [v-ing] for | 5 |
|
