No | Pattern | Freq | Relations |
---|---|---|---|
1 | is [adv] [adj] [prep] [pron] [to-vb] | 122 | |
2 | be [adv] difficult [prep] [pron] [to-vb] | 56 | |
3 | [be] [adv] difficult [prep] [pron] [to-vb] | 56 | |
4 | [is] [adv] difficult [prep] [pron] [to-vb] | 25 | |
5 | is [adv] difficult [prep] [pron] [verb] | 15 | |
6 | is [adv] difficult [prep] [pron] [to-vb] | 13 |