| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be difficult [to-vb] [adv] | 120 |
|
| 2 | [pers pn] be difficult [to-vb] [adv] | 116 |
|
| 3 | it be difficult [to-vb] [adv] | 114 |
|
| 4 | it be difficult [to-vb] [adv] | 114 |
|
| 5 | [modal v] be difficult [to-vb] [adv] | 28 |
|
| 6 | [vb mod] be difficult [to-vb] [adv] | 28 |
|
| 7 | [noun] be difficult [to-vb] [adv] | 27 |
|
| 8 | would be difficult [to-vb] [adv] | 17 |
|
| 9 | would be difficult [to-vb] [adv] | 16 |
|
| 10 | [noun sg] be difficult [to-vb] [adv] | 14 |
|
| 11 | [noun pl] be difficult [to-vb] [adv] | 12 |
|
| 12 | will be difficult [to-vb] [adv] | 5 |
|
| 13 | will be difficult [to-vb] [adv] | 5 |
|
| 14 | [adj] be difficult [to-vb] [adv] | 5 |
|
| 15 | be [adv] difficult [to-vb] [adv] | 82 |
|
| 16 | be [adv] difficult [to-vb] [adv] | 79 |
|
| 17 | be very difficult [to-vb] [adv] | 20 |
|
| 18 | be very difficult [to-vb] [adv] | 20 |
|
| 19 | be often difficult [to-vb] [adv] | 9 |
|
| 20 | be often difficult [to-vb] [adv] | 9 |
|
| 21 | be more difficult [to-vb] [adv] | 7 |
|
| 22 | be extremely difficult [to-vb] [adv] | 7 |
|
| 23 | be extremely difficult [to-vb] [adv] | 7 |
|
| 24 | be more difficult [to-vb] [adv] | 7 |
|
| 25 | be difficult [to-vb] [adv] [adv] | 36 |
|
| 26 | be difficult [to-vb] [pron] [adv] | 30 |
|
| 27 | be difficult [to-vb] [conj] [adv] | 23 |
|
| 28 | be difficult [to-vb] [art] [adv] | 21 |
|
| 29 | be difficult [to-vb] [art] [adv] | 21 |
|
| 30 | be difficult [to-vb] [Wh adv] [adv] | 18 |
|
