| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] difficult | 269 |
|
| 2 | [conj] [pers pn] is [adv] difficult | 203 |
|
| 3 | [coord] [pers pn] [is] [adv] difficult | 121 |
|
| 4 | [conj] [pers pn] [is] very difficult | 112 |
|
| 5 | [that] [pers pn] [is] [adv] difficult | 79 |
|
| 6 | that [pers pn] [is] [adv] difficult | 79 |
|
| 7 | that [pers pn] [is] [adv] difficult | 79 |
|
| 8 | [subord] [pers pn] [is] [adv] difficult | 70 |
|
| 9 | [conj] [pers pn] 's [adv] difficult | 67 |
|
| 10 | and [pers pn] [is] [adv] difficult | 63 |
|
| 11 | and [pers pn] [is] [adv] difficult | 63 |
|
| 12 | but [pers pn] [is] [adv] difficult | 57 |
|
| 13 | but [pers pn] [is] [adv] difficult | 57 |
|
| 14 | [conj] [pers pn] [is] more difficult | 27 |
|
| 15 | [conj] [pers pn] [is] often difficult | 27 |
|
| 16 | because [pers pn] [is] [adv] difficult | 23 |
|
| 17 | because [pers pn] [is] [adv] difficult | 23 |
|
| 18 | [conj] [pers pn] [is] extremely difficult | 17 |
|
| 19 | [conj] [pers pn] [is] so difficult | 12 |
|
| 20 | as [pers pn] [is] [adv] difficult | 11 |
|
| 21 | as [pers pn] [is] [adv] difficult | 11 |
|
| 22 | [conj] [pers pn] [is] sometimes difficult | 10 |
|
| 23 | although [pers pn] [is] [adv] difficult | 8 |
|
| 24 | although [pers pn] [is] [adv] difficult | 8 |
|
| 25 | since [pers pn] [is] [adv] difficult | 6 |
|
| 26 | [conj] [pers pn] [is] particularly difficult | 6 |
|
| 27 | since [pers pn] [is] [adv] difficult | 6 |
|
| 28 | [conj] [pers pn] [is] always difficult | 5 |
|
| 29 | if [pers pn] [is] [adv] difficult | 5 |
|
| 30 | if [pers pn] [is] [adv] difficult | 5 |
|
