| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [verb] that | 2070 |
|
| 2 | is [adj] [verb] that | 2006 |
|
| 3 | is difficult [verb] [conj] | 225 |
|
| 4 | [be] difficult [verb] that | 161 |
|
| 5 | be difficult [verb] that | 161 |
|
| 6 | [is] difficult [verb] that | 102 |
|
| 7 | is difficult [verb] that | 97 |
|
| 8 | is difficult [verb] [that] | 97 |
|
| 9 | is difficult [verb] that | 97 |
|
