| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adj] difficulty | 173 |
|
| 2 | have great difficulty | 137 |
|
| 3 | had [adj] difficulty | 72 |
|
| 4 | have [adj] difficulties | 59 |
|
| 5 | have [adj] difficulty | 58 |
|
| 6 | have [adj] difficulty | 36 |
|
| 7 | having [adj] difficulty | 26 |
|
| 8 | had [adj] difficulty | 21 |
|
| 9 | have considerable difficulty | 21 |
|
| 10 | has [adj] difficulty | 13 |
|
| 11 | have similar difficulty | 8 |
|
| 12 | have enormous difficulty | 6 |
|
| 13 | to have [adj] difficulty | 6 |
|
| 14 | have real difficulty | 6 |
|
| 15 | have increasing difficulty | 6 |
|
