| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] has been [v-ing] [noun] | 20 |
|
| 2 | which has [been] [v-ing] [noun] | 18 |
|
| 3 | [Wh det] has [been] [v-ing] [noun sg] | 11 |
|
| 4 | [Wh det] has [been] [v-ing] [noun pl] | 5 |
|
