| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] [modal v] [verb] difficulty | 42 |
|
| 2 | [adj] [noun] [modal v] [verb] difficulty | 28 |
|
| 3 | [art] [noun] [modal v] [verb] difficulty | 21 |
|
| 4 | [art] [noun] [modal v] [verb] difficulty | 21 |
|
| 5 | the [noun] [modal v] [verb] difficulty | 16 |
|
| 6 | the [noun] [modal v] [verb] difficulty | 16 |
|
| 7 | [noun] [noun] [modal v] [verb] difficulty | 11 |
|
| 8 | [noun sg] [noun] [modal v] [verb] difficulty | 9 |
|
| 9 | [prep] [noun] [modal v] [verb] difficulty | 8 |
|
| 10 | [det] [noun] [modal v] [verb] difficulty | 8 |
|
| 11 | [prep] [noun] [modal v] [verb] difficulty | 8 |
|
| 12 | [conj] [noun] [modal v] [verb] difficulty | 7 |
|
| 13 | a [noun] [modal v] [verb] difficulty | 5 |
|
| 14 | a [noun] [modal v] [verb] difficulty | 5 |
|
| 15 | [noun] [pron] [modal v] [verb] difficulty | 11 |
|
| 16 | [noun] [noun] [modal v] [verb] difficulty | 11 |
|
| 17 | [noun] [pers pn] [modal v] [verb] difficulty | 5 |
|
| 18 | [noun] [modal v] [adv] [verb] difficulty | 22 |
|
| 19 | [noun] [modal v] [adv] [verb] difficulty | 20 |
|
| 20 | [noun] [modal v] [vb infin] [verb] difficulty | 15 |
|
| 21 | [noun] [modal v] [verb] [verb] difficulty | 15 |
|
| 22 | [noun] [modal v] have [verb] difficulty | 11 |
|
| 23 | [noun] [modal v] have [verb] difficulty | 11 |
|
| 24 | [noun] [modal v] also [verb] difficulty | 8 |
|
| 25 | [noun] [modal v] also [verb] difficulty | 8 |
|
| 26 | [noun] [modal v] [verb] [adj] difficulty | 67 |
|
| 27 | [noun] [modal v] [verb] [art] difficulty | 38 |
|
| 28 | [noun] [modal v] [verb] [art] difficulty | 38 |
|
| 29 | [noun] [modal v] [verb] [adj] difficulty | 35 |
|
| 30 | [noun] [modal v] [verb] [det] difficulty | 31 |
|
