| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] if not [adj] [to-vb] | 18 |
|
| 2 | [adj] if not [adj] [to-vb] | 18 |
|
| 3 | difficult if not [adj] [to-vb] | 15 |
|
| 4 | difficult if not [adj] [to-vb] | 15 |
|
| 5 | if not [adj] [to-vb] [prep] | 7 |
|
| 6 | if not [adj] [to-vb] [prep] | 7 |
|
| 7 | if not [adj] [to-vb] [adv] | 5 |
|
