| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] be difficult | 600 |
|
| 2 | [pers pn] [modal v] be difficult | 549 |
|
| 3 | it [modal v] be difficult | 527 |
|
| 4 | it [modal v] be difficult | 527 |
|
| 5 | [noun] [modal v] be difficult | 269 |
|
| 6 | [noun sg] [modal v] be difficult | 165 |
|
| 7 | [noun pl] [modal v] be difficult | 92 |
|
| 8 | [adj] [modal v] be difficult | 78 |
|
| 9 | [det] [modal v] be difficult | 71 |
|
| 10 | this [modal v] be difficult | 48 |
|
| 11 | this [modal v] be difficult | 48 |
|
| 12 | which [modal v] be difficult | 44 |
|
| 13 | which [modal v] be difficult | 44 |
|
| 14 | [Wh det] [modal v] be difficult | 44 |
|
| 15 | [conj] [modal v] be difficult | 40 |
|
| 16 | [coord] [modal v] be difficult | 21 |
|
| 17 | that [modal v] be difficult | 17 |
|
| 18 | and [modal v] be difficult | 17 |
|
| 19 | and [modal v] be difficult | 17 |
|
| 20 | [that] [modal v] be difficult | 17 |
|
| 21 | that [modal v] be difficult | 17 |
|
| 22 | that [modal v] be difficult | 17 |
|
| 23 | that [modal v] be difficult | 17 |
|
| 24 | they [modal v] be difficult | 16 |
|
| 25 | they [modal v] be difficult | 16 |
|
| 26 | [adv] [modal v] be difficult | 12 |
|
| 27 | [verb] [modal v] be difficult | 12 |
|
| 28 | [adv] [modal v] be difficult | 11 |
|
| 29 | [noun prp] [modal v] be difficult | 7 |
|
| 30 | [adj] [modal v] be difficult | 5 |
|
