| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pers pn] [be] [adv] difficult | 206 |
|
| 2 | [coord] [pers pn] [be] [adv] difficult | 178 |
|
| 3 | [coord] [pers pn] [be] often [adj] | 66 |
|
| 4 | [coord] [pers pn] [be] often [adj] | 51 |
|
| 5 | [conj] [pers pn] [be] often difficult | 33 |
|
| 6 | [coord] [pers pn] [be] often difficult | 14 |
|
| 7 | [coord] [pron] [be] often difficult | 14 |
|
| 8 | [coord] [pers pn] [be] often difficult | 14 |
|
