| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficult [to-vb] that [art] [noun sg] | 48 |
|
| 2 | difficult [to-vb] that [art] [noun sg] | 48 |
|
| 3 | difficult [to-vb] that the [noun sg] | 29 |
|
| 4 | difficult [to-vb] that the [noun sg] | 29 |
|
| 5 | difficult [to-vb] that a [noun sg] | 16 |
|
| 6 | difficult [to-vb] that a [noun sg] | 15 |
|
| 7 | difficult to believe that [art] [noun sg] | 12 |
|
| 8 | difficult to argue that [art] [noun sg] | 10 |
|
| 9 | difficult to see that [art] [noun sg] | 5 |
|
