| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [be] not [adj] [to-vb] | 100 |
|
| 2 | but it [be] not [adj] [to-vb] | 98 |
|
| 3 | [conj] it [be] not easy [to-vb] | 76 |
|
| 4 | [coord] it [be] not easy [to-vb] | 50 |
|
| 5 | but it [be] [adv] easy [to-vb] | 49 |
|
| 6 | but [pron] [be] not easy [to-vb] | 29 |
|
| 7 | but it [be] not easy [to-vb] | 28 |
|
| 8 | but it [be] not easy [verb] | 27 |
|
| 9 | but it [be] not easy [to-vb] | 27 |
|
