| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [verb] that this | 76 |
|
| 2 | is difficult [verb] that [adj] | 18 |
|
| 3 | is difficult [verb] [conj] this | 17 |
|
| 4 | is difficult [verb] that [det] | 14 |
|
| 5 | be difficult [verb] that this | 12 |
|
| 6 | [be] difficult [verb] that this | 12 |
|
| 7 | [is] difficult [verb] that this | 7 |
|
| 8 | is difficult [verb] that this | 7 |
|
