| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] had a hard time | 13 |
|
| 2 | have had a hard time | 13 |
|
| 3 | [verb] had a hard time | 12 |
|
| 4 | [vb -s] had a hard time | 5 |
|
| 5 | 's had a hard time | 5 |
|
