| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [art] very difficult [noun] | 37 |
|
| 2 | it be a very difficult [noun] | 37 |
|
| 3 | it be [art] very difficult [noun] | 37 |
|
| 4 | it be a very difficult [noun] | 37 |
|
| 5 | it be very difficult [verb] [noun] | 30 |
|
| 6 | it be very difficult [to-vb] [noun] | 29 |
|
| 7 | it be very difficult [prep] [noun] | 13 |
|
| 8 | it be very difficult [prep] [noun] | 13 |
|
| 9 | it be very difficult for [noun] | 10 |
|
| 10 | it be very difficult for [noun] | 10 |
|
| 11 | it be very difficult get [noun] | 5 |
|
