| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [not/n't] [adj] [verb] [that] | 143 |
|
| 2 | is [not/n't] [adj] [verb] [that] | 137 |
|
| 3 | is [adv] difficult [verb] [that] | 30 |
|
| 4 | [be] [not/n't] difficult [verb] [that] | 22 |
|
| 5 | be [not/n't] difficult [verb] [that] | 22 |
|
| 6 | is [not/n't] difficult [verb] [conj] | 17 |
|
| 7 | [is] [not/n't] difficult [verb] [that] | 16 |
|
| 8 | is [not/n't] difficult [verb] [that] | 15 |
|
