| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | exactly what it [is] [v-ing] | 5 |
|
| 2 | exactly [Wh det] it [is] [v-ing] | 5 |
|
| 3 | exactly [Wh det] it [is] [v-ing] | 5 |
|
