| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pers pn] have been trying [verb] | 18 |
|
| 2 | what [pers pn] have been trying [to-vb] | 18 |
|
| 3 | what [pers pn] 've been trying [verb] | 14 |
|
| 4 | what i have been trying [verb] | 13 |
|
| 5 | what [pers pn] have been trying to do | 8 |
|
| 6 | what [pers pn] have been trying do | 8 |
|
