| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it be difficult to be | 5 |
|
| 2 | and it is difficult to [be] | 5 |
|
| 3 | and it be difficult to [be] | 5 |
|
| 4 | and it be difficult to [be] | 5 |
|
| 5 | and it be difficult to [be] | 5 |
|
