| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] have [noun] | 373 |
|
| 2 | [modal v] [adv] have [noun sg] | 217 |
|
| 3 | [modal v] [adv] [verb] difficulty | 20 |
|
| 4 | [modal v] [adv] [vb infin] difficulty | 20 |
|
| 5 | [modal v] [adv] have difficulty | 17 |
|
| 6 | [modal v] [adv] have difficulty | 15 |
|
| 7 | [modal v] [adv] have difficulty | 14 |
|
