| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] has been [v-ing] for the | 5 |
|
| 2 | [Wh pn] has be [v-ing] for the | 5 |
|
| 3 | who has [be] [v-ing] for the | 5 |
|
| 4 | [Wh pn] has [been] [v-ing] for the | 5 |
|
