| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [prep] trying [verb] | 15 |
|
| 2 | it is [prep] trying [to-vb] | 15 |
|
| 3 | it is [prep] trying [verb] | 15 |
|
| 4 | it is worth trying [verb] | 8 |
|
| 5 | it is worth trying [verb] | 8 |
|
| 6 | it is like trying [verb] | 6 |
|
| 7 | it is like trying [verb] | 6 |
|
