| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is difficult believe | 57 |
|
| 2 | [pers pn] is difficult believe | 55 |
|
| 3 | it is difficult believe | 55 |
|
| 4 | it is difficult believe | 55 |
|
| 5 | is difficult believe [that] | 42 |
|
| 6 | is difficult believe [conj] | 42 |
|
| 7 | is difficult believe that | 42 |
|
| 8 | is difficult believe that | 42 |
|
