| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] that it [was/were] [verb] | 54 |
|
| 2 | that it [was/were] difficult [verb] | 41 |
|
| 3 | [adv] it [was/were] difficult [verb] | 14 |
|
| 4 | [adv] that it [was/were] difficult | 12 |
|
