| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that it is [adj] | 2246 |
|
| 2 | that it is [adj] | 1996 |
|
| 3 | [conj] it is difficult | 483 |
|
| 4 | that it be difficult | 195 |
|
| 5 | that it [be] difficult | 195 |
|
| 6 | that it [is] difficult | 140 |
|
| 7 | that [pers pn] is difficult | 127 |
|
| 8 | that [pron] is difficult | 127 |
|
| 9 | [that] it is difficult | 127 |
|
| 10 | that it is difficult | 127 |
|
| 11 | that it is difficult | 127 |
|
| 12 | that it is difficult | 127 |
|
