| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | trying [to-vb] [Wh det] [is] [v-ing] | 7 |
|
| 2 | trying [to-vb] what [is] [verb] | 7 |
|
| 3 | trying [to-vb] [Wh det] is [verb] | 5 |
|
