| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is believe [conj] | 151 |
|
| 2 | it is difficult believe | 55 |
|
| 3 | is difficult believe [conj] | 42 |
|
| 4 | it is difficult [conj] | 22 |
|
| 5 | it difficult believe [conj] | 18 |
|
