| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] [is] extremely difficult [verb] | 16 |
|
| 2 | [noun] [pron] [is] extremely difficult [verb] | 12 |
|
| 3 | [noun sg] [pron] [is] extremely difficult [verb] | 11 |
|
| 4 | that [pron] [is] extremely difficult [verb] | 7 |
|
| 5 | [that] [pron] [is] extremely difficult [verb] | 7 |
|
| 6 | that [pron] [is] extremely difficult [verb] | 7 |
|
| 7 | [coord] [pron] [is] extremely difficult [verb] | 5 |
|
| 8 | [pron] [is] extremely difficult [verb] [art] | 22 |
|
| 9 | [pron] [is] extremely difficult [verb] [art] | 22 |
|
| 10 | [pron] [is] extremely difficult [verb] [adj] | 20 |
|
| 11 | [pron] [is] extremely difficult [verb] a | 15 |
|
| 12 | [pron] [is] extremely difficult [verb] a | 14 |
|
| 13 | [pron] [is] extremely difficult [verb] [det] | 12 |
|
| 14 | [pron] [is] extremely difficult [verb] [adj] | 8 |
|
| 15 | [pron] [is] extremely difficult [verb] [adv] | 8 |
|
| 16 | [pron] [is] extremely difficult [verb] [pron] | 7 |
|
| 17 | [pron] [is] extremely difficult [verb] the | 7 |
|
| 18 | [pron] [is] extremely difficult [verb] the | 7 |
|
| 19 | [pron] [is] extremely difficult [verb] [prep] | 6 |
|
| 20 | [pron] [is] extremely difficult [verb] [prep] | 6 |
|
| 21 | [pron] [is] extremely difficult [verb] [conj] | 5 |
|
| 22 | [pron] [is] extremely difficult [verb] [noun] | 5 |
|
| 23 | [pron] [is] extremely difficult [verb] any | 5 |
|
| 24 | [pron] [is] extremely difficult [verb] any | 5 |
|
