No | Pattern | Freq | Relations |
---|---|---|---|
1 | [conj] [pron] is [adv] difficult [verb] | 170 | |
2 | [conj] [pron] is [adv] difficult [verb] | 150 | |
3 | [conj] [pron] is often [adj] [verb] | 57 | |
4 | [conj] [pron] be often difficult [verb] | 27 | |
5 | [conj] [pron] [be] often difficult [verb] | 27 | |
6 | [conj] [pron] [is] often difficult [verb] | 23 | |
7 | [conj] [pron] is often difficult [verb] | 22 |