| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] [be] difficult know | 24 |
|
| 2 | [noun] [pron] [be] difficult know | 12 |
|
| 3 | [coord] [pron] [be] difficult know | 10 |
|
| 4 | [subord] [pron] [be] difficult know | 8 |
|
| 5 | [noun sg] [pron] [be] difficult know | 7 |
|
| 6 | that [pron] [be] difficult know | 6 |
|
| 7 | and [pron] [be] difficult know | 6 |
|
| 8 | and [pron] [be] difficult know | 6 |
|
| 9 | [that] [pron] [be] difficult know | 6 |
|
| 10 | that [pron] [be] difficult know | 6 |
|
| 11 | [pron] [be] [adv] difficult know | 23 |
|
| 12 | [pron] [be] [adv] difficult know | 23 |
|
| 13 | [pron] [be] very difficult know | 6 |
|
| 14 | [pron] [be] very difficult know | 6 |
|
| 15 | [pron] [be] difficult know [adv] | 41 |
|
| 16 | [pron] [be] difficult know [Wh adv] | 31 |
|
| 17 | [pron] [be] difficult know [pron] | 30 |
|
| 18 | [pron] [be] difficult know [Wh det] | 28 |
|
| 19 | [pron] [be] difficult know how | 22 |
|
| 20 | [pron] [be] difficult know how | 22 |
|
| 21 | [pron] [be] difficult know what | 20 |
|
| 22 | [pron] [be] difficult know what | 20 |
|
| 23 | [pron] [be] difficult know [conj] | 20 |
|
| 24 | [pron] [be] difficult know [subord] | 19 |
|
| 25 | [pron] [be] difficult know whether | 17 |
|
| 26 | [pron] [be] difficult know whether | 17 |
|
| 27 | [pron] [be] difficult know [adv] | 10 |
|
| 28 | [pron] [be] difficult know which | 8 |
|
| 29 | [pron] [be] difficult know which | 8 |
|
| 30 | [pron] [be] difficult know exactly | 7 |
|
