| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be very difficult for they | 8 |
|
| 2 | it be very difficult for they | 8 |
|
| 3 | [pers pn] be very difficult for they | 8 |
|
| 4 | [pron] be very difficult for they | 8 |
|
| 5 | be very difficult for they [verb] | 5 |
|
| 6 | be very difficult for they [to-vb] | 5 |
|
