| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had little [noun] | 598 |
|
| 2 | had [adj] difficulty | 136 |
|
| 3 | [verb] little difficulty | 75 |
|
| 4 | have little difficulty | 61 |
|
| 5 | [vb past] little difficulty | 28 |
|
