No | Pattern | Freq | Relations |
---|---|---|---|
1 | is difficult for [pron] [to-vb] | 43 | |
2 | is difficult for [pers pn] [to-vb] | 41 | |
3 | is difficult for we [to-vb] | 13 | |
4 | is difficult for us [to-vb] | 13 | |
5 | is difficult for them [to-vb] | 12 | |
6 | is difficult for they [to-vb] | 12 | |
7 | is difficult for i [to-vb] | 6 | |
8 | is difficult for me [to-vb] | 6 |