| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [pron] [adv] difficult [to-vb] | 76 |
|
| 2 | would [vb infin] [pron] [adv] [to-vb] | 63 |
|
| 3 | would [vb infin] [pron] difficult [to-vb] | 46 |
|
| 4 | would [vb infin] [pron] [adv] difficult | 24 |
|
