| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] difficult [verb] [prep] [art] | 48 |
|
| 2 | [modal v] [be] difficult [verb] [prep] [art] | 48 |
|
| 3 | would [be] difficult [verb] [prep] [art] | 19 |
|
| 4 | would [be] difficult [verb] [prep] [art] | 19 |
|
| 5 | may [be] difficult [verb] [prep] [art] | 17 |
|
| 6 | may [be] difficult [verb] [prep] [art] | 17 |
|
| 7 | will [be] difficult [verb] [prep] [art] | 7 |
|
| 8 | will [be] difficult [verb] [prep] [art] | 7 |
|
| 9 | [be] [adv] difficult [verb] [prep] [art] | 18 |
|
| 10 | [be] [adv] difficult [verb] [prep] [art] | 18 |
|
| 11 | [be] very difficult [verb] [prep] [art] | 8 |
|
| 12 | [be] very difficult [verb] [prep] [art] | 8 |
|
| 13 | [be] difficult [verb] [noun] [prep] [art] | 10 |
|
| 14 | [be] difficult [verb] [prep] [art] [noun] | 28 |
|
| 15 | [be] difficult [verb] [prep] [art] [adj] | 24 |
|
| 16 | [be] difficult [verb] [prep] [art] [noun sg] | 22 |
|
| 17 | [be] difficult [verb] [prep] [art] [adj] | 20 |
|
