| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is easy for [pron] [to-vb] | 11 |
|
| 2 | is easy for [pers pn] [to-vb] | 9 |
|
| 3 | is easy for them [to-vb] | 5 |
|
| 4 | is easy for they [to-vb] | 5 |
|
