| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [is] [adv] [adj] [to-vb] [conj] | 18 |
|
| 2 | [noun pl] [is] [adv] [adj] [to-vb] [conj] | 14 |
|
| 3 | [noun pl] [is] [adv] difficult [to-vb] [conj] | 5 |
|
| 4 | [noun pl] [is] [adv] difficult [to-vb] [conj] | 5 |
|
