| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be difficult for us | 19 |
|
| 2 | it be difficult for us | 19 |
|
| 3 | [pers pn] be difficult for us | 19 |
|
| 4 | [pron] be difficult for us | 19 |
|
| 5 | [modal v] be difficult for us | 7 |
|
| 6 | [vb mod] be difficult for us | 7 |
|
| 7 | would be difficult for us | 6 |
|
| 8 | would be difficult for us | 6 |
|
| 9 | [noun] be difficult for us | 5 |
|
| 10 | be [adv] difficult for us | 16 |
|
| 11 | be [adv] difficult for us | 15 |
|
| 12 | be very difficult for us | 13 |
|
| 13 | be very difficult for us | 13 |
|
| 14 | be difficult for us [to-vb] | 24 |
|
| 15 | be difficult for us [verb] | 24 |
|
