| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [is] hard [to-vb] [det] | 70 |
|
| 2 | [pers pn] [is] hard [to-vb] [noun pl] | 31 |
|
| 3 | [pers pn] [is] [to-vb] [det] [noun pl] | 10 |
|
| 4 | [is] hard [to-vb] [det] [noun pl] | 8 |
|
