| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] not [adv] difficult [to-vb] | 48 |
|
| 2 | be not [adv] difficult [to-vb] | 48 |
|
| 3 | [is] not [adv] difficult [to-vb] | 35 |
|
| 4 | is not [adv] difficult [to-vb] | 32 |
|
| 5 | [am/are] not [adv] difficult [to-vb] | 7 |
|
| 6 | [adv] not [adv] difficult [to-vb] | 6 |
|
| 7 | are not [adv] difficult [to-vb] | 6 |
|
| 8 | [adv] not [adv] difficult [to-vb] | 6 |
|
| 9 | [was/were] not [adv] difficult [to-vb] | 5 |
|
| 10 | was not [adv] difficult [to-vb] | 5 |
|
| 11 | not [be] [adv] difficult [to-vb] | 15 |
|
| 12 | not be [adv] difficult [to-vb] | 15 |
|
| 13 | not [be] [adv] difficult [to-vb] | 13 |
|
| 14 | not be [adv] difficult [to-vb] | 13 |
|
| 15 | not [adv] difficult [to-vb] [conj] | 10 |
|
| 16 | not [adv] difficult [to-vb] [art] | 7 |
|
| 17 | not [adv] difficult [to-vb] [art] | 7 |
|
| 18 | not [adv] difficult [to-vb] [prep] | 6 |
|
| 19 | not [adv] difficult [to-vb] [adv] | 6 |
|
| 20 | not [adv] difficult [to-vb] [prep] | 6 |
|
| 21 | not [adv] difficult [to-vb] [noun] | 5 |
|
