| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] what [pers pn] 've been [v-ing] | 6 |
|
| 2 | [to-vb] what i have been [v-ing] | 6 |
|
| 3 | [to-vb] what [pers pn] have been doing | 5 |
|
