| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] found it hard | 28 |
|
| 2 | have found it hard | 28 |
|
| 3 | [vb base] found it hard | 12 |
|
| 4 | have found it hard | 12 |
|
| 5 | have found it hard | 8 |
|
| 6 | [vb infin] found it hard | 8 |
|
| 7 | [vb past] found it hard | 7 |
|
| 8 | had found it hard | 6 |
|
| 9 | found it hard [verb] | 26 |
|
| 10 | found it hard [to-vb] | 25 |
|
