| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] it be [adv] [adj] | 1044 |
|
| 2 | [noun sg] [pron] be [adv] difficult | 101 |
|
| 3 | [noun] it be [adv] difficult | 89 |
|
| 4 | [noun sg] it be [adv] difficult | 70 |
|
| 5 | [noun sg] it [be] [adv] difficult | 66 |
|
