| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] not difficult [verb] that | 20 |
|
| 2 | it [be] not difficult [verb] that | 20 |
|
| 3 | it [be] not difficult [verb] that | 20 |
|
| 4 | [pers pn] [be] not difficult [verb] that | 20 |
|
| 5 | [be] not difficult [verb] that [pron] | 6 |
|
| 6 | [be] not difficult [verb] that [art] | 5 |
|
| 7 | [be] not difficult [verb] that [art] | 5 |
|
