| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that it was [adj] | 1616 |
|
| 2 | that it [be] difficult | 195 |
|
| 3 | that it be difficult | 195 |
|
| 4 | [conj] it was difficult | 171 |
|
| 5 | that [pers pn] was difficult | 58 |
|
| 6 | that [pron] was difficult | 58 |
|
| 7 | that it was difficult | 55 |
|
| 8 | [that] it was difficult | 55 |
|
| 9 | that it was difficult | 55 |
|
| 10 | that it [was/were] difficult | 55 |
|
