| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [noun] | 3181 |
|
| 2 | [vb mod] have [noun sg] | 1893 |
|
| 3 | [vb mod] [verb] difficulty | 135 |
|
| 4 | [vb mod] have difficulty | 118 |
|
| 5 | [modal v] have difficulty | 101 |
|
