| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adj] [verb] [coord] [verb] | 90 |
|
| 2 | is [adv] [adj] [verb] [coord] [verb] | 77 |
|
| 3 | be [adv] difficult [verb] [coord] [verb] | 32 |
|
| 4 | [be] [adv] difficult [verb] [coord] [verb] | 32 |
|
| 5 | is [adv] difficult [verb] [coord] [verb] | 12 |
|
| 6 | [is] [adv] difficult [verb] [coord] [verb] | 12 |
|
| 7 | is [adv] difficult [verb] [coord] [verb] | 11 |
|
| 8 | is [adv] difficult [verb] [conj] [verb] | 11 |
|
