| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] a hard | 48 |
|
| 2 | have [vb pp] a hard | 45 |
|
| 3 | have had a hard | 30 |
|
| 4 | have have a hard | 30 |
|
| 5 | 's [verb] a hard | 10 |
|
| 6 | had [verb] a hard | 9 |
|
| 7 | 've [verb] a hard | 8 |
|
| 8 | has [verb] a hard | 7 |
|
