| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is difficult [to-vb] [noun pl] | 44 |
|
| 2 | it is difficult [to-vb] [noun pl] | 44 |
|
| 3 | it is difficult [to-vb] [noun pl] | 44 |
|
| 4 | [pron] is difficult [to-vb] [noun pl] | 44 |
|
| 5 | is [adv] difficult [to-vb] [noun pl] | 36 |
|
| 6 | is [adv] difficult [to-vb] [noun pl] | 25 |
|
| 7 | is very difficult [to-vb] [noun pl] | 11 |
|
| 8 | is not difficult [to-vb] [noun pl] | 11 |
|
| 9 | is not difficult [to-vb] [noun pl] | 11 |
|
| 10 | is [not/n't] difficult [to-vb] [noun pl] | 11 |
|
| 11 | is very difficult [to-vb] [noun pl] | 11 |
|
| 12 | is difficult [to-vb] [adj] [noun pl] | 54 |
|
| 13 | is difficult [to-vb] [adj] [noun pl] | 34 |
|
| 14 | is difficult [to-vb] [art] [noun pl] | 31 |
|
| 15 | is difficult [to-vb] the [noun pl] | 31 |
|
| 16 | is difficult [to-vb] [art] [noun pl] | 31 |
|
| 17 | is difficult [to-vb] the [noun pl] | 31 |
|
| 18 | is difficult [to-vb] [det] [noun pl] | 19 |
|
| 19 | is difficult [to-vb] [conj] [noun pl] | 14 |
|
| 20 | is difficult [to-vb] [prep] [noun pl] | 10 |
|
| 21 | is difficult [to-vb] [prep] [noun pl] | 10 |
|
| 22 | is difficult [to-vb] [pron] [noun pl] | 9 |
|
| 23 | is difficult [to-vb] these [noun pl] | 8 |
|
| 24 | is difficult [to-vb] [Wh det] [noun pl] | 8 |
|
| 25 | is difficult [to-vb] these [noun pl] | 8 |
|
| 26 | is difficult [to-vb] that [noun pl] | 7 |
|
| 27 | is difficult [to-vb] [that] [noun pl] | 7 |
|
| 28 | is difficult [to-vb] that [noun pl] | 7 |
|
| 29 | is difficult [to-vb] [subord] [noun pl] | 5 |
|
| 30 | is difficult [to-vb] [noun pl] [prep] | 18 |
|
